Inspire Medical Systems, Inc. (INSP) stock
INSPNYSESurgical & Medical Instruments & ApparatusFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 3, 2026Score 17/3032% below fair value
$68.10−3.08 (-4.33%)
Close on Oct 30, 2026Market cap $1.97BP/E 14.7Yield –
Price history
Inspire Medical Systems share prices for every trading day, newest first. Adjusted for stock splits, not for dividends.
Close, Oct 30, 2026
$68.10
-4.33% on the day
52-week range
$38.91 – $147.03
-53.7% from the high
Change over 52 weeks
-6.8%
From $73.07 on Oct 30, 2025
Average volume
854,208
Shares a day, last 90 sessions
| Date | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| Oct 30, 2026 | $70.63 | $71.20 | $67.80 | $68.10 | -4.33% | 796,398 |
| Oct 29, 2026 | $71.85 | $71.85 | $70.54 | $71.18 | +0.30% | 512,569 |
| Oct 28, 2026 | $71.25 | $71.99 | $70.15 | $70.97 | -0.46% | 367,098 |
| Oct 27, 2026 | $71.16 | $71.59 | $69.32 | $71.30 | +0.41% | 667,721 |
| Oct 26, 2026 | $70.51 | $72.40 | $70.00 | $71.01 | -0.14% | 528,468 |
| Oct 23, 2026 | $72.25 | $72.75 | $68.44 | $71.11 | -2.13% | 592,144 |
| Oct 22, 2026 | $70.50 | $73.29 | $70.50 | $72.66 | +2.24% | 659,844 |
| Oct 21, 2026 | $70.84 | $72.50 | $70.40 | $71.07 | -0.38% | 554,252 |
| Oct 20, 2026 | $71.01 | $71.90 | $70.00 | $71.34 | +1.70% | 1,052,259 |
| Oct 19, 2026 | $68.73 | $70.28 | $68.44 | $70.15 | +1.98% | 656,147 |
| Oct 16, 2026 | $70.40 | $71.25 | $68.54 | $68.79 | -1.90% | 494,542 |
| Oct 15, 2026 | $68.72 | $70.40 | $68.33 | $70.12 | +3.01% | 621,177 |
| Oct 14, 2026 | $69.33 | $69.57 | $67.41 | $68.07 | -1.15% | 855,154 |
| Oct 13, 2026 | $71.37 | $72.46 | $68.62 | $68.86 | -3.68% | 1,040,073 |
| Oct 12, 2026 | $69.99 | $72.01 | $69.41 | $71.49 | +3.77% | 1,011,900 |
| Oct 9, 2026 | $67.20 | $69.73 | $66.83 | $68.89 | +3.30% | 867,344 |
| Oct 8, 2026 | $67.12 | $68.00 | $66.07 | $66.69 | -1.13% | 846,706 |
| Oct 7, 2026 | $67.13 | $68.37 | $66.50 | $67.45 | -1.10% | 1,484,438 |
| Oct 6, 2026 | $71.23 | $71.86 | $67.99 | $68.20 | -3.60% | 869,551 |
| Oct 5, 2026 | $69.66 | $71.36 | $68.67 | $70.75 | +1.11% | 632,106 |
| Oct 2, 2026 | $71.74 | $71.74 | $68.44 | $69.97 | -1.14% | 761,929 |
| Oct 1, 2026 | $70.50 | $75.31 | $68.98 | $70.78 | +2.05% | 2,018,389 |
| Sep 30, 2026 | $73.09 | $73.25 | $68.50 | $69.36 | -5.22% | 1,002,283 |
| Sep 29, 2026 | $69.78 | $73.24 | $69.18 | $73.18 | +4.54% | 873,523 |
| Sep 28, 2026 | $70.83 | $70.93 | $69.59 | $70.00 | -0.71% | 442,262 |
| Sep 25, 2026 | $68.65 | $70.98 | $68.13 | $70.50 | +2.46% | 609,843 |
| Sep 24, 2026 | $69.11 | $70.58 | $68.65 | $68.81 | -0.36% | 580,641 |
| Sep 23, 2026 | $71.38 | $72.10 | $68.15 | $69.06 | -3.14% | 729,567 |
| Sep 22, 2026 | $75.32 | $76.10 | $71.19 | $71.30 | -5.84% | 1,122,093 |
| Sep 21, 2026 | $76.50 | $77.26 | $74.92 | $75.72 | -1.38% | 1,075,818 |
| Sep 18, 2026 | $72.29 | $78.80 | $71.43 | $76.78 | +5.55% | 2,127,750 |
| Sep 17, 2026 | $73.54 | $75.36 | $72.74 | $72.74 | -0.01% | 564,176 |
| Sep 16, 2026 | $73.17 | $75.49 | $72.23 | $72.75 | -2.48% | 845,863 |
| Sep 15, 2026 | $73.80 | $75.27 | $72.72 | $74.60 | +0.38% | 838,106 |
| Sep 14, 2026 | $72.14 | $75.29 | $71.85 | $74.32 | +1.81% | 1,172,095 |
| Sep 11, 2026 | $69.88 | $74.95 | $69.87 | $73.00 | +7.16% | 1,399,305 |
| Sep 10, 2026 | $64.35 | $68.50 | $64.02 | $68.12 | +2.47% | 1,136,623 |
| Sep 9, 2026 | $62.43 | $67.72 | $62.01 | $66.48 | +6.98% | 1,197,015 |
| Sep 8, 2026 | $64.03 | $64.12 | $61.61 | $62.14 | -1.49% | 621,542 |
| Sep 4, 2026 | $61.00 | $63.43 | $60.00 | $63.08 | +1.51% | 425,723 |
| Sep 3, 2026 | $63.70 | $63.76 | $61.65 | $62.14 | -1.47% | 398,855 |
| Sep 2, 2026 | $61.24 | $64.34 | $61.19 | $63.07 | +2.52% | 413,007 |
| Sep 1, 2026 | $63.00 | $63.50 | $61.20 | $61.52 | -2.33% | 351,709 |
| Aug 31, 2026 | $60.43 | $63.01 | $60.24 | $62.99 | +2.52% | 514,989 |
| Aug 28, 2026 | $60.52 | $62.05 | $60.50 | $61.44 | +1.02% | 517,994 |
| Aug 27, 2026 | $62.10 | $62.80 | $60.50 | $60.82 | -1.59% | 315,775 |
| Aug 26, 2026 | $60.07 | $62.46 | $60.01 | $61.80 | +1.20% | 327,275 |
| Aug 25, 2026 | $61.19 | $61.89 | $60.38 | $61.07 | -0.65% | 524,819 |
| Aug 24, 2026 | $62.08 | $62.70 | $60.79 | $61.47 | -1.43% | 529,859 |
| Aug 21, 2026 | $61.17 | $63.20 | $60.35 | $62.36 | +1.78% | 407,966 |
| Aug 20, 2026 | $60.94 | $62.20 | $58.00 | $61.27 | -0.68% | 474,862 |
| Aug 19, 2026 | $57.80 | $61.96 | $57.80 | $61.69 | +7.51% | 578,126 |
| Aug 18, 2026 | $57.32 | $58.14 | $57.00 | $57.38 | +0.28% | 656,659 |
| Aug 17, 2026 | $56.40 | $57.23 | $55.44 | $57.22 | +0.21% | 519,680 |
| Aug 14, 2026 | $58.11 | $58.11 | $56.97 | $57.10 | -1.89% | 396,915 |
| Aug 13, 2026 | $57.99 | $58.83 | $57.10 | $58.20 | -0.14% | 485,922 |
| Aug 12, 2026 | $58.03 | $59.12 | $57.20 | $58.28 | -1.44% | 571,494 |
| Aug 11, 2026 | $59.20 | $60.75 | $59.07 | $59.13 | -0.99% | 385,368 |
| Aug 10, 2026 | $59.53 | $61.31 | $59.35 | $59.72 | -0.73% | 585,408 |
| Aug 7, 2026 | $58.65 | $60.51 | $58.29 | $60.16 | +2.16% | 538,898 |
| Aug 6, 2026 | $59.60 | $60.44 | $58.68 | $58.89 | -2.00% | 681,943 |
| Aug 5, 2026 | $63.32 | $63.34 | $59.76 | $60.09 | -6.31% | 1,448,167 |
| Aug 4, 2026 | $64.16 | $66.21 | $59.50 | $64.14 | +22.83% | 2,329,039 |
| Aug 3, 2026 | $51.21 | $52.80 | $51.21 | $52.22 | +4.00% | 992,132 |
| Jul 31, 2026 | $49.92 | $50.39 | $49.02 | $50.21 | +0.38% | 672,276 |
| Jul 30, 2026 | $50.27 | $50.66 | $48.75 | $50.02 | -2.06% | 676,374 |
| Jul 29, 2026 | $51.62 | $52.49 | $50.56 | $51.07 | -1.73% | 1,054,916 |
| Jul 28, 2026 | $48.21 | $52.47 | $48.21 | $51.97 | +2.04% | 935,062 |
| Jul 27, 2026 | $50.17 | $51.27 | $49.72 | $50.93 | +3.54% | 944,843 |
| Jul 24, 2026 | $51.57 | $52.06 | $49.19 | $49.19 | -3.19% | 658,379 |
| Jul 23, 2026 | $50.30 | $50.87 | $48.80 | $50.81 | +0.81% | 709,815 |
| Jul 22, 2026 | $52.01 | $52.52 | $50.12 | $50.40 | -3.98% | 755,922 |
| Jul 21, 2026 | $52.29 | $53.50 | $51.84 | $52.49 | -1.46% | 638,943 |
| Jul 20, 2026 | $50.53 | $53.40 | $50.53 | $53.27 | +5.28% | 784,134 |
| Jul 17, 2026 | $51.04 | $51.46 | $49.68 | $50.60 | -1.82% | 664,597 |
| Jul 16, 2026 | $51.58 | $53.01 | $51.02 | $51.54 | +2.06% | 882,236 |
| Jul 15, 2026 | $49.21 | $51.43 | $48.77 | $50.50 | +2.75% | 679,539 |
| Jul 14, 2026 | $50.37 | $50.37 | $48.50 | $49.15 | -4.30% | 580,055 |
| Jul 13, 2026 | $51.49 | $52.13 | $50.85 | $51.36 | -0.77% | 841,513 |
| Jul 10, 2026 | $51.86 | $52.51 | $50.02 | $51.76 | +0.47% | 1,290,224 |
| Jul 9, 2026 | $49.44 | $51.65 | $48.50 | $51.52 | +4.50% | 917,117 |
| Jul 8, 2026 | $48.65 | $49.52 | $46.55 | $49.30 | -1.56% | 1,254,042 |
| Jul 7, 2026 | $49.97 | $50.60 | $48.78 | $50.08 | +1.27% | 1,058,876 |
| Jul 6, 2026 | $46.47 | $49.84 | $46.47 | $49.45 | +5.32% | 1,168,474 |
| Jul 2, 2026 | $46.23 | $47.71 | $45.72 | $46.95 | +3.28% | 1,301,837 |
| Jul 1, 2026 | $45.21 | $47.10 | $45.21 | $45.46 | +1.91% | 1,348,624 |
| Jun 30, 2026 | $44.50 | $44.89 | $43.10 | $44.61 | -0.71% | 650,066 |
| Jun 29, 2026 | $45.75 | $46.10 | $44.37 | $44.93 | -1.73% | 717,059 |
| Jun 26, 2026 | $43.29 | $45.99 | $42.81 | $45.72 | +5.22% | 5,101,055 |
| Jun 25, 2026 | $43.78 | $44.45 | $42.78 | $43.45 | +0.58% | 991,410 |
| Jun 24, 2026 | $42.00 | $43.45 | $42.00 | $43.20 | +3.47% | 804,076 |
| Jun 23, 2026 | $40.27 | $42.22 | $39.99 | $41.75 | +0.97% | 793,034 |
| Jun 22, 2026 | $42.30 | $42.61 | $41.32 | $41.35 | -2.96% | 700,095 |
| Jun 18, 2026 | $41.91 | $42.73 | $39.73 | $42.61 | +3.62% | 1,386,543 |
| Jun 17, 2026 | $41.10 | $43.00 | $40.65 | $41.12 | -0.65% | 559,882 |
| Jun 16, 2026 | $41.29 | $42.22 | $40.96 | $41.39 | +0.63% | 646,211 |
| Jun 15, 2026 | $42.53 | $43.00 | $40.56 | $41.13 | -3.68% | 1,042,031 |
| Jun 12, 2026 | $42.81 | $44.53 | $41.76 | $42.70 | +0.61% | 1,047,455 |
| Jun 11, 2026 | $41.96 | $42.65 | $40.65 | $42.44 | +0.38% | 971,055 |
| Jun 10, 2026 | $41.89 | $43.32 | $41.54 | $42.28 | +0.17% | 764,874 |
| Jun 9, 2026 | $41.86 | $43.03 | $41.69 | $42.21 | +0.64% | 604,572 |
| Jun 8, 2026 | $40.85 | $42.65 | $40.59 | $41.94 | +1.82% | 732,696 |
| Jun 5, 2026 | $42.85 | $43.20 | $41.01 | $41.19 | -2.37% | 725,094 |
| Jun 4, 2026 | $41.00 | $42.40 | $41.00 | $42.19 | +4.33% | 839,916 |
| Jun 3, 2026 | $40.60 | $40.60 | $38.91 | $40.44 | -0.34% | 1,140,981 |
| Jun 2, 2026 | $40.21 | $41.15 | $39.27 | $40.58 | -0.64% | 967,406 |
| Jun 1, 2026 | $41.24 | $42.78 | $40.47 | $40.84 | -1.26% | 1,635,721 |
| May 29, 2026 | $43.01 | $43.70 | $41.36 | $41.36 | -3.97% | 1,131,059 |
| May 28, 2026 | $42.23 | $43.84 | $41.40 | $43.07 | +2.01% | 922,095 |
| May 27, 2026 | $42.06 | $43.37 | $40.99 | $42.22 | +0.55% | 1,067,288 |
| May 26, 2026 | $43.50 | $43.60 | $41.96 | $41.99 | -4.22% | 1,461,450 |
| May 22, 2026 | $42.89 | $44.26 | $42.60 | $43.84 | -2.01% | 1,382,029 |
| May 21, 2026 | $43.43 | $44.98 | $42.16 | $44.74 | +1.36% | 1,141,238 |
| May 20, 2026 | $42.43 | $44.22 | $41.21 | $44.14 | +3.79% | 957,502 |
| May 19, 2026 | $42.36 | $43.25 | $40.95 | $42.53 | +1.67% | 1,021,661 |
| May 18, 2026 | $40.42 | $42.94 | $40.37 | $41.83 | +4.44% | 1,601,407 |
| May 15, 2026 | $43.30 | $43.94 | $39.61 | $40.05 | -6.12% | 1,676,523 |
| May 14, 2026 | $42.35 | $43.14 | $41.52 | $42.66 | +1.77% | 2,352,116 |
| May 13, 2026 | $43.20 | $44.13 | $41.55 | $41.92 | -4.86% | 1,142,242 |
| May 12, 2026 | $43.86 | $44.69 | $42.84 | $44.06 | +1.64% | 969,872 |
| May 11, 2026 | $43.57 | $45.09 | $43.03 | $43.35 | -2.06% | 926,871 |
| May 8, 2026 | $45.31 | $45.72 | $43.99 | $44.26 | -2.87% | 971,774 |
| May 7, 2026 | $45.81 | $48.32 | $45.08 | $45.57 | -0.28% | 2,005,805 |
| May 6, 2026 | $48.02 | $48.40 | $45.43 | $45.70 | -5.28% | 1,922,487 |
| May 5, 2026 | $47.00 | $48.38 | $44.41 | $48.25 | -12.02% | 4,552,793 |
| May 4, 2026 | $56.73 | $57.91 | $53.43 | $54.84 | -3.28% | 1,626,151 |
| May 1, 2026 | $56.05 | $57.52 | $55.22 | $56.70 | +1.00% | 1,109,128 |
| Apr 30, 2026 | $54.21 | $56.15 | $52.92 | $56.14 | +5.11% | 1,014,896 |
| Apr 29, 2026 | $54.77 | $55.24 | $52.42 | $53.41 | -3.08% | 759,289 |
| Apr 28, 2026 | $55.14 | $56.02 | $54.80 | $55.11 | +0.07% | 625,536 |
| Apr 27, 2026 | $55.85 | $56.13 | $54.29 | $55.07 | -2.20% | 679,937 |
| Apr 24, 2026 | $56.15 | $57.00 | $55.06 | $56.31 | -0.07% | 679,227 |
| Apr 23, 2026 | $53.73 | $56.90 | $53.08 | $56.35 | +3.97% | 1,191,310 |
| Apr 22, 2026 | $52.80 | $54.34 | $52.26 | $54.20 | +4.17% | 492,527 |
| Apr 21, 2026 | $56.86 | $57.42 | $51.63 | $52.03 | -8.67% | 1,167,161 |
| Apr 20, 2026 | $56.80 | $58.53 | $56.00 | $56.97 | -1.08% | 634,626 |
| Apr 17, 2026 | $56.99 | $58.23 | $56.37 | $57.59 | +2.02% | 635,147 |
| Apr 16, 2026 | $56.70 | $58.13 | $55.92 | $56.45 | -0.34% | 799,798 |
| Apr 15, 2026 | $56.83 | $58.98 | $55.60 | $56.64 | -0.33% | 746,780 |
| Apr 14, 2026 | $54.76 | $56.95 | $54.34 | $56.83 | +3.48% | 908,401 |
| Apr 13, 2026 | $53.77 | $55.38 | $53.34 | $54.92 | +1.67% | 613,084 |
| Apr 10, 2026 | $56.00 | $57.10 | $52.92 | $54.02 | -4.71% | 1,400,126 |
| Apr 9, 2026 | $53.00 | $58.64 | $51.53 | $56.69 | +6.20% | 1,748,499 |
| Apr 8, 2026 | $55.00 | $55.89 | $53.06 | $53.38 | -1.91% | 860,767 |
| Apr 7, 2026 | $54.79 | $55.54 | $53.29 | $54.42 | +0.52% | 1,223,037 |
| Apr 6, 2026 | $56.41 | $57.35 | $53.75 | $54.14 | -1.55% | 1,063,969 |
| Apr 2, 2026 | $52.62 | $55.05 | $51.28 | $54.99 | +2.52% | 1,001,549 |
| Apr 1, 2026 | $51.71 | $55.43 | $50.70 | $53.64 | +3.99% | 1,555,928 |
| Mar 31, 2026 | $50.47 | $51.86 | $50.17 | $51.58 | +2.32% | 871,482 |
| Mar 30, 2026 | $50.29 | $50.52 | $48.30 | $50.41 | +0.56% | 1,058,657 |
| Mar 27, 2026 | $50.10 | $50.19 | $48.78 | $50.13 | -0.63% | 758,116 |
| Mar 26, 2026 | $51.38 | $52.37 | $50.00 | $50.45 | -1.87% | 917,960 |
| Mar 25, 2026 | $52.63 | $52.98 | $50.56 | $51.41 | -1.27% | 754,472 |
| Mar 24, 2026 | $51.67 | $52.40 | $50.50 | $52.07 | -0.17% | 977,468 |
| Mar 23, 2026 | $53.22 | $54.00 | $51.59 | $52.16 | -2.90% | 911,616 |
| Mar 20, 2026 | $54.69 | $57.49 | $53.45 | $53.72 | -1.76% | 1,282,346 |
| Mar 19, 2026 | $56.68 | $57.51 | $54.65 | $54.68 | -3.05% | 585,326 |
| Mar 18, 2026 | $55.08 | $58.05 | $54.68 | $56.40 | +2.27% | 1,337,196 |
| Mar 17, 2026 | $59.51 | $61.32 | $54.59 | $55.15 | -6.32% | 1,441,408 |
| Mar 16, 2026 | $58.64 | $59.78 | $58.15 | $58.87 | +0.43% | 735,202 |
| Mar 13, 2026 | $58.84 | $60.00 | $56.71 | $58.62 | +0.64% | 737,143 |
| Mar 12, 2026 | $59.53 | $60.34 | $57.46 | $58.25 | -2.87% | 1,062,395 |
| Mar 11, 2026 | $60.29 | $60.93 | $58.40 | $59.97 | +0.89% | 615,724 |
| Mar 10, 2026 | $61.97 | $62.27 | $58.86 | $59.44 | -3.96% | 893,531 |
| Mar 9, 2026 | $60.79 | $62.51 | $60.01 | $61.89 | -1.75% | 756,578 |
| Mar 6, 2026 | $62.36 | $63.26 | $60.98 | $62.99 | +0.85% | 1,187,316 |
| Mar 5, 2026 | $62.49 | $63.78 | $61.26 | $62.46 | -2.89% | 708,293 |
| Mar 4, 2026 | $66.05 | $66.35 | $64.23 | $64.32 | -2.25% | 758,013 |
| Mar 3, 2026 | $63.20 | $66.50 | $62.98 | $65.80 | +1.53% | 937,483 |
| Mar 2, 2026 | $63.00 | $65.22 | $62.23 | $64.81 | +0.47% | 1,688,815 |
| Feb 27, 2026 | $63.02 | $65.99 | $62.10 | $64.51 | -5.20% | 1,642,485 |
| Feb 26, 2026 | $59.48 | $86.00 | $59.01 | $68.05 | +14.85% | 5,044,079 |
| Feb 25, 2026 | $58.83 | $60.05 | $57.57 | $59.25 | +2.65% | 712,081 |
| Feb 24, 2026 | $58.07 | $59.31 | $57.14 | $57.72 | -0.98% | 1,105,530 |
| Feb 23, 2026 | $59.35 | $59.80 | $58.01 | $58.29 | -2.08% | 918,725 |
| Feb 20, 2026 | $59.16 | $60.85 | $59.00 | $59.53 | -0.42% | 861,059 |
| Feb 19, 2026 | $60.66 | $61.92 | $58.04 | $59.78 | -3.42% | 1,082,729 |
| Feb 18, 2026 | $59.42 | $62.54 | $59.42 | $61.90 | +2.50% | 828,792 |
| Feb 17, 2026 | $60.61 | $64.30 | $60.22 | $60.39 | +1.05% | 1,266,436 |
| Feb 13, 2026 | $59.64 | $63.50 | $59.64 | $59.76 | +0.18% | 1,932,616 |
| Feb 12, 2026 | $55.52 | $64.10 | $53.11 | $59.65 | -12.55% | 4,025,263 |
| Feb 11, 2026 | $67.40 | $68.64 | $65.37 | $68.21 | +0.10% | 2,360,299 |
| Feb 10, 2026 | $67.28 | $71.16 | $67.21 | $68.14 | +2.73% | 1,350,662 |
| Feb 9, 2026 | $66.55 | $67.67 | $64.46 | $66.33 | +0.96% | 1,190,079 |
| Feb 6, 2026 | $65.69 | $67.45 | $64.77 | $65.70 | +0.15% | 1,261,660 |
| Feb 5, 2026 | $68.23 | $69.45 | $65.45 | $65.60 | -3.85% | 962,280 |
| Feb 4, 2026 | $71.62 | $72.66 | $66.94 | $68.23 | -5.37% | 1,222,125 |
| Feb 3, 2026 | $73.50 | $74.18 | $71.21 | $72.10 | -1.84% | 1,375,667 |
| Feb 2, 2026 | $75.05 | $76.08 | $73.43 | $73.45 | -3.07% | 1,025,183 |
| Jan 30, 2026 | $79.59 | $79.98 | $74.99 | $75.78 | -3.51% | 1,347,307 |
| Jan 29, 2026 | $82.18 | $82.18 | $76.82 | $78.54 | -4.23% | 1,269,507 |
| Jan 28, 2026 | $83.33 | $84.24 | $81.03 | $82.01 | +0.27% | 756,580 |
| Jan 27, 2026 | $79.20 | $81.93 | $78.46 | $81.79 | +0.57% | 982,277 |
| Jan 26, 2026 | $79.70 | $82.00 | $78.02 | $81.33 | +2.43% | 1,393,606 |
| Jan 23, 2026 | $80.01 | $81.35 | $77.75 | $79.40 | -1.74% | 2,673,905 |
| Jan 22, 2026 | $96.59 | $97.52 | $80.75 | $80.81 | -16.00% | 4,725,725 |
| Jan 21, 2026 | $95.25 | $97.04 | $94.81 | $96.20 | +1.85% | 596,927 |
| Jan 20, 2026 | $91.05 | $95.84 | $89.88 | $94.45 | +2.41% | 716,993 |
| Jan 16, 2026 | $96.34 | $96.82 | $91.90 | $92.23 | -4.40% | 454,948 |
| Jan 15, 2026 | $93.79 | $97.72 | $91.58 | $96.47 | +3.68% | 644,396 |
| Jan 14, 2026 | $92.10 | $93.63 | $91.11 | $93.05 | +0.64% | 745,489 |
| Jan 13, 2026 | $98.31 | $98.31 | $91.40 | $92.46 | -4.61% | 878,165 |
| Jan 12, 2026 | $98.32 | $98.50 | $92.32 | $96.93 | -1.47% | 997,235 |
| Jan 9, 2026 | $97.29 | $102.65 | $96.56 | $98.38 | +3.56% | 1,696,640 |
| Jan 8, 2026 | $97.99 | $98.08 | $92.05 | $95.00 | -4.07% | 1,165,874 |
| Jan 7, 2026 | $97.65 | $99.54 | $96.61 | $99.03 | +1.87% | 920,790 |
| Jan 6, 2026 | $92.61 | $98.54 | $92.61 | $97.21 | +2.59% | 1,091,110 |
| Jan 5, 2026 | $93.87 | $95.09 | $91.76 | $94.76 | +2.70% | 1,419,237 |
| Jan 2, 2026 | $92.53 | $93.86 | $91.54 | $92.27 | +0.04% | 923,824 |
| Dec 31, 2025 | $91.68 | $93.12 | $90.49 | $92.23 | -0.37% | 844,839 |
| Dec 30, 2025 | $92.53 | $93.98 | $90.64 | $92.57 | -1.17% | 1,118,834 |
| Dec 29, 2025 | $96.21 | $97.00 | $93.32 | $93.67 | -1.89% | 1,153,285 |
| Dec 26, 2025 | $94.88 | $95.75 | $93.69 | $95.47 | -0.19% | 848,600 |
| Dec 24, 2025 | $95.66 | $97.10 | $94.63 | $95.65 | +0.71% | 628,697 |
| Dec 23, 2025 | $95.98 | $96.97 | $93.05 | $94.98 | -3.01% | 998,485 |
| Dec 22, 2025 | $96.89 | $101.59 | $95.36 | $97.93 | +1.44% | 1,530,993 |
| Dec 19, 2025 | $95.71 | $97.78 | $91.15 | $96.54 | +1.33% | 2,782,884 |
| Dec 18, 2025 | $94.12 | $100.52 | $89.94 | $95.27 | -19.45% | 6,538,007 |
| Dec 17, 2025 | $117.95 | $120.79 | $114.98 | $118.27 | +2.39% | 2,188,169 |
| Dec 16, 2025 | $120.91 | $121.45 | $113.03 | $115.51 | -3.14% | 3,194,329 |
| Dec 15, 2025 | $131.65 | $134.66 | $117.61 | $119.26 | -8.74% | 2,701,002 |
| Dec 12, 2025 | $136.51 | $137.05 | $129.85 | $130.68 | -4.87% | 1,412,914 |
| Dec 11, 2025 | $140.46 | $141.09 | $133.82 | $137.37 | -1.93% | 2,068,197 |
| Dec 10, 2025 | $141.18 | $147.03 | $138.60 | $140.07 | -0.33% | 1,827,361 |
| Dec 9, 2025 | $143.20 | $145.01 | $139.68 | $140.53 | -2.40% | 1,785,701 |
| Dec 8, 2025 | $140.69 | $145.39 | $137.78 | $143.99 | +5.25% | 2,906,592 |
| Dec 5, 2025 | $140.28 | $142.26 | $136.48 | $136.81 | -2.30% | 1,033,094 |
| Dec 4, 2025 | $138.07 | $142.56 | $132.39 | $140.03 | +3.92% | 1,497,193 |
| Dec 3, 2025 | $133.81 | $138.33 | $132.73 | $134.75 | +0.61% | 1,507,092 |
| Dec 2, 2025 | $125.08 | $141.40 | $124.94 | $133.93 | +6.01% | 2,752,251 |
| Dec 1, 2025 | $124.52 | $127.58 | $124.50 | $126.34 | +1.55% | 943,979 |
| Nov 28, 2025 | $127.48 | $127.82 | $123.76 | $124.41 | -2.29% | 508,870 |
| Nov 26, 2025 | $130.61 | $134.30 | $126.80 | $127.33 | -2.35% | 1,420,933 |
| Nov 25, 2025 | $120.48 | $138.80 | $120.22 | $130.39 | +11.17% | 5,605,571 |
| Nov 24, 2025 | $105.74 | $117.75 | $104.01 | $117.29 | +30.51% | 5,264,006 |
| Nov 21, 2025 | $83.50 | $90.57 | $83.37 | $89.87 | +7.93% | 1,391,655 |
| Nov 20, 2025 | $83.43 | $85.13 | $82.02 | $83.27 | -0.19% | 892,938 |
| Nov 19, 2025 | $83.65 | $84.34 | $81.79 | $83.43 | -0.17% | 598,369 |
| Nov 18, 2025 | $84.29 | $84.64 | $82.69 | $83.57 | -1.53% | 890,959 |
| Nov 17, 2025 | $85.89 | $86.34 | $84.11 | $84.87 | -1.71% | 742,387 |
| Nov 14, 2025 | $85.69 | $87.50 | $84.64 | $86.35 | -0.50% | 610,997 |
| Nov 13, 2025 | $89.55 | $91.06 | $86.56 | $86.78 | -4.54% | 984,967 |
| Nov 12, 2025 | $90.45 | $92.01 | $88.94 | $90.91 | +0.35% | 1,368,516 |
| Nov 11, 2025 | $87.00 | $90.75 | $86.15 | $90.59 | +5.25% | 1,164,910 |
| Nov 10, 2025 | $82.45 | $86.66 | $81.79 | $86.07 | +5.23% | 1,128,465 |
| Nov 7, 2025 | $84.20 | $84.20 | $80.66 | $81.79 | -2.41% | 882,882 |
| Nov 6, 2025 | $83.30 | $84.25 | $79.61 | $83.81 | +1.20% | 1,611,872 |
| Nov 5, 2025 | $84.52 | $85.80 | $81.21 | $82.82 | -2.58% | 1,326,364 |
| Nov 4, 2025 | $80.01 | $89.44 | $79.35 | $85.01 | +15.33% | 3,755,642 |
| Nov 3, 2025 | $72.06 | $75.05 | $71.45 | $73.71 | +2.26% | 2,193,877 |
| Oct 31, 2025 | $73.10 | $73.55 | $71.68 | $72.08 | -1.35% | 1,766,997 |
| Oct 30, 2025 | $75.17 | $75.92 | $72.52 | $73.07 | -2.79% | 994,365 |
| Oct 29, 2025 | $76.81 | $76.81 | $74.31 | $75.17 | -2.59% | 1,130,457 |
| Oct 28, 2025 | $77.81 | $77.81 | $75.32 | $77.17 | -1.32% | 1,229,816 |
| Oct 27, 2025 | $79.05 | $79.21 | $76.97 | $78.20 | +0.88% | 652,328 |
| Oct 24, 2025 | $79.00 | $79.37 | $75.64 | $77.52 | -3.31% | 1,843,262 |
| Oct 23, 2025 | $81.38 | $81.60 | $78.84 | $80.17 | -1.74% | 799,534 |
| Oct 22, 2025 | $82.44 | $84.23 | $81.51 | $81.59 | -1.45% | 706,168 |
| Oct 21, 2025 | $80.24 | $83.85 | $79.19 | $82.79 | +2.46% | 584,096 |
| Oct 20, 2025 | $78.93 | $82.33 | $78.93 | $80.80 | – | 697,310 |
Seasonality
INSP return in each calendar month over the last 9 years, including dividends. The current month runs to the latest close.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average | 2.7% | 3.1% | -8.5% | 5.0% | -9.1% | 3.6% | 7.0% | 7.4% | -4.1% | -2.7% | 20.4% | 1.9% |
| Months up | 6 of 8 | 5 of 8 | 2 of 8 | 5 of 8 | 3 of 8 | 6 of 9 | 6 of 9 | 6 of 9 | 4 of 9 | 2 of 9 | 5 of 8 | 5 of 8 |
| 2026 | -17.8% | -14.9% | -20.0% | 8.8% | -26.3% | 7.9% | 12.6% | 25.5% | 10.1% | -1.8% | ||
| 2025 | 4.4% | -4.1% | -14.2% | -0.6% | -12.7% | -6.1% | -4.0% | -24.8% | -20.8% | -2.9% | 72.6% | -25.9% |
| 2024 | 3.7% | -15.1% | 20.0% | 12.5% | -34.3% | -15.7% | 5.4% | 27.5% | 17.4% | -7.6% | -1.2% | -3.8% |
| 2023 | 0.5% | 2.7% | -9.9% | 14.3% | 9.3% | 11.0% | -11.3% | -21.2% | -12.5% | -25.8% | -1.3% | 40.0% |
| 2022 | -3.8% | 10.3% | 5.2% | -19.8% | -14.1% | 3.3% | 14.4% | -8.4% | -7.4% | 9.9% | 23.9% | 4.3% |
| 2021 | 7.1% | 15.5% | -11.1% | 14.4% | -18.0% | -0.5% | -5.2% | 22.1% | 4.2% | 15.8% | -17.2% | 3.0% |
| 2020 | 0.8% | 14.8% | -29.8% | 18.9% | 13.8% | 6.7% | 14.2% | 20.2% | 8.0% | -7.5% | 55.5% | 1.3% |
| 2019 | 26.9% | 15.6% | -8.4% | -9.0% | 9.2% | 7.4% | 11.5% | 2.8% | -12.2% | -0.1% | 16.4% | 4.6% |
| 2018 | 18.9% | 25.6% | 22.7% | -23.5% | -4.8% | 14.6% | -8.0% |