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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 week, newest first. Adjusted for stock splits, not for dividends.

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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
Week ofOpenHighLowCloseChangeVolume
Oct 26, 2026$70.51$72.40$67.80$68.10-4.23%2,872,254
Oct 19, 2026$68.73$73.29$68.44$71.11+3.37%3,514,646
Oct 12, 2026$69.99$72.46$67.41$68.79-0.15%4,022,846
Oct 5, 2026$69.66$71.86$66.07$68.89-1.54%4,700,145
Sep 28, 2026$70.83$75.31$68.44$69.97-0.75%5,098,386
Sep 21, 2026$76.50$77.26$68.13$70.50-8.18%4,117,962
Sep 14, 2026$72.14$78.80$71.43$76.78+5.18%5,547,990
Sep 8, 2026$64.03$74.95$61.61$73.00+15.73%4,354,485
Aug 31, 2026$60.43$64.34$60.00$63.08+2.67%2,104,283
Aug 24, 2026$62.08$62.80$60.01$61.44-1.48%2,215,722
Aug 17, 2026$56.40$63.20$55.44$62.36+9.21%2,637,293
Aug 10, 2026$59.53$61.31$56.97$57.10-5.09%2,425,107
Aug 3, 2026$51.21$66.21$51.21$60.16+19.82%5,990,179
Jul 27, 2026$50.17$52.49$48.21$50.21+2.07%4,283,471
Jul 20, 2026$50.53$53.50$48.80$49.19-2.79%3,547,193
Jul 13, 2026$51.49$53.01$48.50$50.60-2.24%3,647,940
Jul 6, 2026$46.47$52.51$46.47$51.76+10.24%5,688,733
Jun 29, 2026$45.75$47.71$43.10$46.95+2.69%4,017,586
Jun 22, 2026$42.30$45.99$39.99$45.72+7.30%8,389,670
Jun 15, 2026$42.53$43.00$39.73$42.61-0.21%3,634,667
Jun 8, 2026$40.85$44.53$40.59$42.70+3.67%4,120,652
Jun 1, 2026$41.24$43.20$38.91$41.19-0.41%5,309,118
May 26, 2026$43.50$43.84$40.99$41.36-5.66%4,581,892
May 18, 2026$40.42$44.98$40.37$43.84+9.46%6,103,837
May 11, 2026$43.57$45.09$39.61$40.05-9.51%7,067,624
May 4, 2026$56.73$57.91$43.99$44.26-21.94%11,079,010
Apr 27, 2026$55.85$57.52$52.42$56.70+0.69%4,188,786
Apr 20, 2026$56.80$58.53$51.63$56.31-2.22%4,164,851
Apr 13, 2026$53.77$58.98$53.34$57.59+6.61%3,703,210
Apr 6, 2026$56.41$58.64$51.53$54.02-1.76%6,296,398
Mar 30, 2026$50.29$55.43$48.30$54.99+9.69%4,487,616
Mar 23, 2026$53.22$54.00$48.78$50.13-6.68%4,319,632
Mar 16, 2026$58.64$61.32$53.45$53.72-8.36%5,381,478
Mar 9, 2026$60.79$62.51$56.71$58.62-6.94%4,065,371
Mar 2, 2026$63.00$66.50$60.98$62.99-2.36%5,279,920
Feb 23, 2026$59.35$86.00$57.14$64.51+8.37%9,422,900
Feb 17, 2026$60.61$64.30$58.04$59.53-0.38%4,039,016
Feb 9, 2026$66.55$71.16$53.11$59.76-9.04%10,858,919
Feb 2, 2026$75.05$76.08$64.77$65.70-13.30%5,846,915
Jan 26, 2026$79.70$84.24$74.99$75.78-4.56%5,749,277
Jan 20, 2026$91.05$97.52$77.75$79.40-13.91%8,713,550
Jan 12, 2026$98.32$98.50$91.11$92.23-6.25%3,720,233
Jan 5, 2026$93.87$102.65$91.76$98.38+6.62%6,293,651
Dec 29, 2025$96.21$97.00$90.49$92.27-3.35%4,040,782
Dec 22, 2025$96.89$101.59$93.05$95.47-1.11%4,006,775
Dec 15, 2025$131.65$134.66$89.94$96.54-26.12%17,404,391
Dec 8, 2025$140.69$147.03$129.85$130.68-4.48%10,000,765
Dec 1, 2025$124.52$142.56$124.50$136.81+9.97%7,733,609
Nov 24, 2025$105.74$138.80$104.01$124.41+38.43%12,799,380
Nov 17, 2025$85.89$90.57$81.79$89.87+4.08%4,516,308
Nov 10, 2025$82.45$92.01$81.79$86.35+5.58%5,257,855
Nov 3, 2025$72.06$89.44$71.45$81.79+13.47%9,770,637

Seasonality

INSP return in each calendar month over the last 9 years, including dividends. The current month runs to the latest close.

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average2.7%3.1%-8.5%5.0%-9.1%3.6%7.0%7.4%-4.1%-2.7%20.4%1.9%
Months up6 of 85 of 82 of 85 of 83 of 86 of 96 of 96 of 94 of 92 of 95 of 85 of 8
2026-17.8%-14.9%-20.0%8.8%-26.3%7.9%12.6%25.5%10.1%-1.8%
20254.4%-4.1%-14.2%-0.6%-12.7%-6.1%-4.0%-24.8%-20.8%-2.9%72.6%-25.9%
20243.7%-15.1%20.0%12.5%-34.3%-15.7%5.4%27.5%17.4%-7.6%-1.2%-3.8%
20230.5%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%
20217.1%15.5%-11.1%14.4%-18.0%-0.5%-5.2%22.1%4.2%15.8%-17.2%3.0%
20200.8%14.8%-29.8%18.9%13.8%6.7%14.2%20.2%8.0%-7.5%55.5%1.3%
201926.9%15.6%-8.4%-9.0%9.2%7.4%11.5%2.8%-12.2%-0.1%16.4%4.6%
201818.9%25.6%22.7%-23.5%-4.8%14.6%-8.0%