Financial Institutions Inc (FIISO) stock
FIISOOTCNational Commercial BanksFiscal year ends December 31Also trades as FIISP, FISI
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 3, 2026Score 16/308% above fair value
$115.65+0.00 (0.00%)
Close on Oct 19, 2026Market cap $775.45MP/E 9.8Yield 3.15%
Price history
Financial Institutions share prices for every month, newest first. Adjusted for stock splits, not for dividends.
Close, Oct 19, 2026
$115.65
0.00% on the day
52-week range
$115.00 – $130.00
-11.0% from the high
Change over 52 weeks
-8.9%
From $127.00 on Oct 17, 2025
Average volume
0
Shares a day, last 90 sessions
| Month | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| Oct 2026 | $115.65 | $115.65 | $115.65 | $115.65 | 0.00% | 0 |
| Sep 2026 | $115.65 | $115.65 | $115.65 | $115.65 | 0.00% | 0 |
| Aug 2026 | $115.65 | $115.65 | $115.65 | $115.65 | 0.00% | 0 |
| Jul 2026 | $115.65 | $115.65 | $115.65 | $115.65 | 0.00% | 0 |
| Jun 2026 | $115.65 | $115.65 | $115.65 | $115.65 | 0.00% | 0 |
| May 2026 | $115.65 | $115.65 | $115.65 | $115.65 | 0.00% | 28 |
| Apr 2026 | $122.70 | $122.70 | $115.65 | $115.65 | -5.75% | 14 |
| Mar 2026 | $125.00 | $125.00 | $119.17 | $122.70 | -1.84% | 7 |
| Feb 2026 | $124.95 | $125.00 | $124.95 | $125.00 | +0.04% | 2 |
| Jan 2026 | $129.00 | $129.00 | $124.95 | $124.95 | +3.02% | 2 |
| Dec 2025 | $121.29 | $130.00 | $121.29 | $121.29 | -6.70% | 22 |
| Nov 2025 | $115.00 | $130.00 | $115.00 | $130.00 | +13.04% | 187 |
| Oct 2025 | $130.01 | $130.01 | $115.00 | $115.00 | -11.55% | 136 |
| Sep 2025 | $130.01 | $130.01 | $130.01 | $130.01 | 0.00% | 0 |
| Aug 2025 | $130.01 | $130.01 | $130.01 | $130.01 | 0.00% | 0 |
| Jul 2025 | $130.01 | $130.01 | $130.01 | $130.01 | 0.00% | 0 |
| Jun 2025 | $130.00 | $130.01 | $129.00 | $130.01 | +0.01% | 3 |
| May 2025 | $110.00 | $130.00 | $110.00 | $130.00 | -7.14% | 62 |
| Apr 2025 | $140.00 | $140.00 | $140.00 | $140.00 | 0.00% | 0 |
| Mar 2025 | $140.00 | $140.00 | $140.00 | $140.00 | 0.00% | 0 |
| Feb 2025 | $140.00 | $140.00 | $140.00 | $140.00 | 0.00% | 0 |
| Jan 2025 | $140.00 | $140.00 | $140.00 | $140.00 | 0.00% | 1 |
| Dec 2024 | $140.00 | $140.00 | $140.00 | $140.00 | 0.00% | 0 |
| Nov 2024 | $140.00 | $140.00 | $140.00 | $140.00 | 0.00% | 0 |
| Oct 2024 | $108.01 | $140.00 | $108.01 | $140.00 | +29.62% | 2 |
| Sep 2024 | $108.01 | $108.01 | $108.01 | $108.01 | 0.00% | 0 |
| Aug 2024 | $108.01 | $108.01 | $108.01 | $108.01 | 0.00% | 0 |
| Jul 2024 | $108.01 | $108.01 | $108.01 | $108.01 | -0.00% | 90 |
| Jun 2024 | $110.00 | $110.00 | $108.01 | $108.01 | -1.81% | 17 |
| May 2024 | $110.00 | $110.00 | $110.00 | $110.00 | 0.00% | 0 |
| Apr 2024 | $110.00 | $110.00 | $110.00 | $110.00 | 0.00% | 0 |
| Mar 2024 | $109.00 | $110.00 | $109.00 | $110.00 | +0.92% | 24 |
| Feb 2024 | $109.00 | $110.00 | $109.00 | $109.00 | 0.00% | 420 |
| Jan 2024 | $105.88 | $109.00 | $105.88 | $109.00 | +2.95% | 290 |
| Dec 2023 | $107.89 | $107.89 | $105.88 | $105.88 | -1.86% | 180 |
| Nov 2023 | $107.89 | $107.89 | $107.89 | $107.89 | 0.00% | 0 |
| Oct 2023 | $110.00 | $110.00 | $107.89 | $107.89 | -1.92% | 99 |
| Sep 2023 | $110.00 | $110.00 | $110.00 | $110.00 | 0.00% | 0 |
| Aug 2023 | $110.00 | $110.00 | $110.00 | $110.00 | 0.00% | 0 |
| Jul 2023 | $110.00 | $110.00 | $110.00 | $110.00 | 0.00% | 0 |
| Jun 2023 | $113.00 | $113.00 | $110.00 | $110.00 | -2.65% | 98 |
| May 2023 | $113.00 | $113.00 | $113.00 | $113.00 | -0.88% | 77 |
| Apr 2023 | $114.00 | $114.00 | $114.00 | $114.00 | 0.00% | 0 |
| Mar 2023 | $114.00 | $114.00 | $114.00 | $114.00 | 0.00% | 0 |
| Feb 2023 | $114.00 | $114.00 | $114.00 | $114.00 | 0.00% | 0 |
| Jan 2023 | $114.00 | $115.00 | $114.00 | $114.00 | -14.93% | 60 |
| Dec 2022 | $125.00 | $140.00 | $120.00 | $134.00 | +7.20% | 634 |
| Nov 2022 | $130.00 | $130.00 | $125.00 | $125.00 | -3.85% | 120 |
| Oct 2022 | $130.00 | $130.00 | $130.00 | $130.00 | 0.00% | 0 |
| Sep 2022 | $149.99 | $149.99 | $130.00 | $130.00 | -13.33% | 226 |
| Aug 2022 | $150.00 | $150.00 | $135.00 | $149.99 | -0.01% | 220 |
| Jul 2022 | $150.00 | $150.00 | $150.00 | $150.00 | 0.00% | 0 |
| Jun 2022 | $150.00 | $150.00 | $150.00 | $150.00 | 0.00% | 0 |
| May 2022 | $150.00 | $150.00 | $150.00 | $150.00 | 0.00% | 0 |
| Apr 2022 | $146.50 | $150.00 | $146.50 | $150.00 | +2.39% | 5 |
| Mar 2022 | $146.50 | $146.50 | $146.50 | $146.50 | 0.00% | 0 |
| Feb 2022 | $145.00 | $151.04 | $145.00 | $146.50 | +1.03% | 123 |
| Jan 2022 | $145.00 | $145.00 | $145.00 | $145.00 | 0.00% | 0 |
| Dec 2021 | $177.00 | $177.00 | $144.88 | $145.00 | -18.08% | 83 |
| Nov 2021 | $148.00 | $177.00 | $148.00 | $177.00 | +19.59% | 33 |
| Oct 2021 | $146.00 | $148.00 | $142.00 | $148.00 | +1.37% | 75 |
| Sep 2021 | $154.50 | $154.50 | $146.00 | $146.00 | -5.50% | 45 |
| Aug 2021 | $154.50 | $154.50 | $154.50 | $154.50 | 0.00% | 0 |
| Jul 2021 | $244.00 | $244.00 | $151.00 | $154.50 | -36.68% | 364 |
| Jun 2021 | $244.00 | $244.00 | $244.00 | $244.00 | 0.00% | 0 |
| May 2021 | $244.00 | $244.00 | $244.00 | $244.00 | 0.00% | 0 |
| Apr 2021 | $130.00 | $250.00 | $130.00 | $244.00 | +87.69% | 10 |
| Mar 2021 | $130.00 | $130.00 | $130.00 | $130.00 | 0.00% | 0 |
| Feb 2021 | $130.00 | $130.00 | $130.00 | $130.00 | 0.00% | 0 |
| Jan 2021 | $130.00 | $130.00 | $130.00 | $130.00 | 0.00% | 0 |
| Dec 2020 | $130.00 | $130.00 | $130.00 | $130.00 | 0.00% | 0 |
| Nov 2020 | $130.00 | $130.00 | $130.00 | $130.00 | 0.00% | 0 |
| Oct 2020 | $130.00 | $212.00 | $130.00 | $130.00 | 0.00% | 11 |
| Sep 2020 | $190.00 | $190.00 | $129.88 | $130.00 | -31.58% | 52 |
| Aug 2020 | $154.51 | $212.00 | $131.11 | $190.00 | +22.97% | 7 |
| Jul 2020 | $136.00 | $154.51 | $130.30 | $154.51 | +13.61% | 19 |
| Jun 2020 | $144.50 | $144.50 | $136.00 | $136.00 | -5.88% | 73 |
| May 2020 | $135.11 | $149.00 | $135.00 | $144.50 | +6.95% | 310 |
| Apr 2020 | $130.05 | $135.11 | $130.05 | $135.11 | +3.89% | 107 |
| Mar 2020 | $130.05 | $130.05 | $130.05 | $130.05 | 0.00% | 0 |
| Feb 2020 | $130.05 | $130.05 | $130.05 | $130.05 | 0.00% | 0 |
| Jan 2020 | $150.00 | $150.00 | $130.05 | $130.05 | -13.30% | 98 |
| Dec 2019 | $150.00 | $150.00 | $150.00 | $150.00 | 0.00% | 0 |
| Nov 2019 | $150.00 | $150.00 | $150.00 | $150.00 | 0.00% | 0 |
| Oct 2019 | $150.00 | $150.00 | $150.00 | $150.00 | 0.00% | 0 |
| Sep 2019 | $150.00 | $150.00 | $150.00 | $150.00 | 0.00% | 0 |
| Aug 2019 | $150.00 | $150.00 | $150.00 | $150.00 | 0.00% | 0 |
| Jul 2019 | $105.88 | $150.00 | $105.88 | $150.00 | +41.67% | 427 |
| Jun 2019 | $105.88 | $105.88 | $105.88 | $105.88 | 0.00% | 0 |
| May 2019 | $105.88 | $105.88 | $105.88 | $105.88 | 0.00% | 0 |
| Apr 2019 | $105.88 | $105.88 | $105.88 | $105.88 | 0.00% | 0 |
| Mar 2019 | $105.88 | $105.88 | $105.88 | $105.88 | 0.00% | 0 |
| Feb 2019 | $105.88 | $105.88 | $105.88 | $105.88 | 0.00% | 0 |
| Jan 2019 | $105.88 | $105.88 | $105.88 | $105.88 | 0.00% | 0 |
| Dec 2018 | $105.88 | $105.88 | $105.88 | $105.88 | 0.00% | 0 |
| Nov 2018 | $105.88 | $105.88 | $105.88 | $105.88 | 0.00% | 0 |
| Oct 2018 | $105.88 | $105.88 | $105.88 | $105.88 | 0.00% | 0 |
| Sep 2018 | $105.88 | $105.88 | $105.88 | $105.88 | 0.00% | 0 |
| Aug 2018 | $105.88 | $105.88 | $105.88 | $105.88 | 0.00% | 0 |
| Jul 2018 | $105.88 | $105.88 | $105.88 | $105.88 | 0.00% | 0 |
| Jun 2018 | $105.88 | $105.88 | $105.88 | $105.88 | 0.00% | 0 |
| May 2018 | $105.88 | $105.88 | $105.88 | $105.88 | 0.00% | 0 |
| Apr 2018 | $105.88 | $105.88 | $105.88 | $105.88 | 0.00% | 0 |
| Mar 2018 | $105.88 | $105.88 | $105.88 | $105.88 | 0.00% | 0 |
| Feb 2018 | $105.88 | $105.88 | $105.88 | $105.88 | 0.00% | 0 |
| Jan 2018 | $105.88 | $105.88 | $105.88 | $105.88 | 0.00% | 0 |
| Dec 2017 | $105.88 | $105.88 | $105.88 | $105.88 | 0.00% | 0 |
| Nov 2017 | $105.88 | $105.88 | $105.88 | $105.88 | 0.00% | 0 |
| Oct 2017 | $105.88 | $105.88 | $105.88 | $105.88 | 0.00% | 0 |
| Sep 2017 | $105.88 | $105.88 | $105.88 | $105.88 | 0.00% | 0 |
| Aug 2017 | $105.88 | $105.88 | $105.88 | $105.88 | 0.00% | 0 |
| Jul 2017 | $105.88 | $105.88 | $105.88 | $105.88 | 0.00% | 0 |
| Jun 2017 | $106.01 | $106.01 | $105.88 | $105.88 | -0.12% | 429 |
| May 2017 | $106.01 | $106.01 | $106.01 | $106.01 | 0.00% | 0 |
| Apr 2017 | $106.01 | $106.01 | $106.01 | $106.01 | 0.00% | 0 |
| Mar 2017 | $106.01 | $106.01 | $106.01 | $106.01 | 0.00% | 0 |
| Feb 2017 | $106.01 | $106.01 | $106.01 | $106.01 | 0.00% | 0 |
| Jan 2017 | $106.00 | $106.27 | $106.00 | $106.01 | +0.01% | 740 |
| Dec 2016 | $110.00 | $110.00 | $106.00 | $106.00 | -3.64% | 402 |
| Nov 2016 | $115.00 | $115.00 | $110.00 | $110.00 | -4.35% | 200 |
| Oct 2016 | $107.88 | $115.00 | $107.88 | $115.00 | +6.60% | 100 |
| Sep 2016 | $115.00 | $115.00 | $107.88 | $107.88 | -6.19% | 100 |
| Aug 2016 | $3.00 | $115.00 | $3.00 | $115.00 | +3733.33% | 400 |
| Jul 2016 | $3.00 | $3.00 | $3.00 | $3.00 | 0.00% | 0 |
| Jun 2016 | $3.00 | $3.00 | $3.00 | $3.00 | 0.00% | 0 |
| May 2016 | $3.00 | $3.00 | $3.00 | $3.00 | 0.00% | 0 |
| Apr 2016 | $3.00 | $3.00 | $3.00 | $3.00 | 0.00% | 0 |
| Mar 2016 | $3.00 | $3.00 | $3.00 | $3.00 | 0.00% | 0 |
| Feb 2016 | $3.00 | $3.00 | $3.00 | $3.00 | 0.00% | 0 |
| Jan 2016 | $3.00 | $3.00 | $3.00 | $3.00 | 0.00% | 0 |
| Dec 2015 | $3.00 | $3.00 | $3.00 | $3.00 | 0.00% | 0 |
| Nov 2015 | $3.00 | $3.00 | $3.00 | $3.00 | 0.00% | 0 |
| Oct 2015 | $3.00 | $3.00 | $3.00 | $3.00 | 0.00% | 180 |
| Sep 2015 | $3.00 | $3.00 | $3.00 | $3.00 | 0.00% | 0 |
| Aug 2015 | $3.00 | $3.00 | $3.00 | $3.00 | 0.00% | 0 |
| Jul 2015 | $3.00 | $3.00 | $3.00 | $3.00 | 0.00% | 0 |
| Jun 2015 | $3.00 | $3.00 | $3.00 | $3.00 | 0.00% | 0 |
| May 2015 | $3.00 | $3.00 | $3.00 | $3.00 | 0.00% | 0 |
| Apr 2015 | $3.00 | $3.00 | $3.00 | $3.00 | 0.00% | 0 |
| Mar 2015 | $3.00 | $3.00 | $3.00 | $3.00 | 0.00% | 0 |
| Feb 2015 | $3.00 | $3.00 | $3.00 | $3.00 | 0.00% | 0 |
| Jan 2015 | $3.00 | $3.00 | $3.00 | $3.00 | 0.00% | 0 |
| Dec 2014 | $3.00 | $3.00 | $3.00 | $3.00 | 0.00% | 0 |
| Nov 2014 | $3.00 | $3.00 | $3.00 | $3.00 | 0.00% | 0 |
| Oct 2014 | $3.00 | $3.00 | $3.00 | $3.00 | 0.00% | 0 |
| Sep 2014 | $3.00 | $3.00 | $3.00 | $3.00 | 0.00% | 0 |
| Aug 2014 | $3.00 | $3.00 | $3.00 | $3.00 | 0.00% | 0 |
| Jul 2014 | $3.00 | $3.00 | $3.00 | $3.00 | 0.00% | 0 |
| Jun 2014 | $3.01 | $3.01 | $3.00 | $3.00 | -0.33% | 108 |
| May 2014 | $3.01 | $3.01 | $3.01 | $3.01 | 0.00% | 0 |
| Apr 2014 | $3.01 | $3.01 | $3.01 | $3.01 | 0.00% | 0 |
| Mar 2014 | $3.01 | $3.01 | $3.01 | $3.01 | 0.00% | 0 |
| Feb 2014 | $3.01 | $3.01 | $3.01 | $3.01 | – | 225 |
Seasonality
FIISO return in each calendar month over the last 10 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 | -2.2% | 0.1% | 1.7% | 8.8% | -0.1% | 0.7% | 1.9% | 2.3% | -3.4% | 1.8% | 3.2% | -0.5% |
| Months up | 3 of 10 | 2 of 10 | 9 of 10 | 3 of 10 | 1 of 10 | 8 of 10 | 2 of 10 | 1 of 10 | 7 of 10 | 2 of 10 | 2 of 9 | 7 of 9 |
| 2026 | 3.0% | 0.0% | -0.1% | -5.7% | 0.0% | 1.9% | 0.0% | 0.0% | 1.9% | 0.0% | ||
| 2025 | 0.0% | 0.0% | 1.5% | 0.0% | -7.1% | 1.7% | 0.0% | 0.0% | 1.7% | -11.5% | 13.0% | -5.0% |
| 2024 | 2.9% | 0.0% | 2.9% | 0.0% | 0.0% | 0.1% | -0.0% | 0.0% | 2.0% | 29.6% | 0.0% | 1.5% |
| 2023 | -14.9% | 0.0% | 1.9% | 0.0% | -0.9% | -0.8% | 0.0% | 0.0% | 2.0% | -1.9% | 0.0% | 0.1% |
| 2022 | 0.0% | 1.0% | 1.5% | 2.4% | 0.0% | 1.4% | 0.0% | -0.0% | -11.9% | 0.0% | -3.8% | 8.9% |
| 2021 | 0.0% | 0.0% | 1.7% | 87.7% | 0.0% | 0.9% | -36.7% | 0.0% | -4.2% | 1.4% | 19.6% | -17.1% |
| 2020 | -13.3% | 0.0% | 1.7% | 3.9% | 6.9% | -4.4% | 13.6% | 23.0% | -30.5% | 0.0% | 0.0% | 1.7% |
| 2019 | 0.0% | 0.0% | 2.0% | 0.0% | 0.0% | 2.0% | 41.7% | 0.0% | 1.4% | 0.0% | 0.0% | 1.4% |
| 2018 | 0.0% | 0.0% | 2.0% | 0.0% | 0.0% | 2.0% | 0.0% | 0.0% | 2.0% | 0.0% | 0.0% | 2.0% |
| 2017 | 0.0% | 0.0% | 2.0% | 0.0% | 0.0% | 1.9% | 0.0% | 0.0% | 2.0% | 0.0% | 0.0% | 2.0% |
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