Flexible Solutions International, Inc. (FSI) Stock Price History
Historical prices from 1999 to 2026
- 1M
- +3.4%
- 3M
- +22.9%
- YTD
- -2.2%
- 1Y
- +48.0%
- 3Y
- +36.8%
- 5Y
- +10.5%
Loading 10-year price history...
FSI Historical Performance
FSI Annual Returns
Year-by-year price performance · 2002–2026
- 2002 annual price return
- +146.4%
- 2003 annual price return
- +43.8%
- 2004 annual price return
- -19.2%
- 2005 annual price return
- -22.7%
- 2006 annual price return
- +16.7%
- 2007 annual price return
- -57.4%
- 2008 annual price return
- +60.1%
- 2009 annual price return
- -26.3%
- 2010 annual price return
- -23.4%
- 2011 annual price return
- +67.9%
- 2012 annual price return
- -48.4%
- 2013 annual price return
- -17.2%
- 2014 annual price return
- +20.2%
- 2015 annual price return
- -12.7%
- 2016 annual price return
- +43.0%
- 2017 annual price return
- +40.0%
- 2018 annual price return
- -27.4%
- 2019 annual price return
- +90.4%
- 2020 annual price return
- -2.0%
- 2021 annual price return
- +56.9%
- 2022 annual price return
- -19.7%
- 2023 annual price return
- -37.2%
- 2024 annual price return
- +94.1%
- 2025 annual price return
- +83.2%
- 2026 annual price return
- -20.0%
FSI Stock Price Trajectory (1999–2026)
As of June 29, 2026, Flexible Solutions International, Inc. (FSI) trades at $6.66, representing a +48.0% return over the past year. The stock has delivered a +71.4% total return over five years (+10.5% CAGR), reflecting significant long-term value creation.
The stock reached its all-time high of $11.48 on August 29, 2025. From this peak, FSI has corrected -42.0%, currently trading 3% below its 200-day moving average, suggesting potential weakness.
When compared to Basic Materials sector peers PESI (+16.8% 1Y), HNNA (-13.6% 1Y), and NTIC (+4.0% 1Y), FSI has underperformed the peer group average. Compare FSI vs PESI →
FSI Historical Price Data · from 1999
Rows 1–50 of 6,718| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-06-26 | 6.41 | 6.67 | 6.32 | 6.66 | 10K | +4.31% |
| 2026-06-25 | 6.34 | 6.47 | 6.30 | 6.38 | 4K | -0.23% |
| 2026-06-24 | 6.31 | 6.46 | 6.31 | 6.40 | 4K | -0.70% |
| 2026-06-23 | 6.35 | 6.50 | 6.28 | 6.45 | 5K | -0.69% |
| 2026-06-22 | 6.30 | 6.49 | 6.27 | 6.49 | 26K | +0.15% |
| 2026-06-18 | 6.45 | 6.48 | 6.30 | 6.48 | 10K | +1.17% |
| 2026-06-17 | 6.55 | 6.68 | 6.41 | 6.41 | 10K | -1.46% |
| 2026-06-16 | 6.61 | 6.68 | 6.44 | 6.50 | 23K | +2.04% |
| 2026-06-15 | 6.30 | 6.42 | 6.30 | 6.37 | 21K | +0.95% |
| 2026-06-12 | 6.35 | 6.40 | 6.30 | 6.31 | 13K | -0.63% |
| 2026-06-11 | 6.29 | 6.35 | 6.25 | 6.35 | 12K | +0.16% |
| 2026-06-10 | 6.26 | 6.35 | 6.21 | 6.34 | 17K | +1.28% |
| 2026-06-09 | 6.43 | 6.43 | 6.26 | 6.26 | 17K | -2.19% |
| 2026-06-08 | 6.33 | 6.50 | 6.24 | 6.40 | 24K | +2.24% |
| 2026-06-05 | 6.35 | 6.43 | 6.26 | 6.26 | 28K | -2.19% |
| 2026-06-04 | 6.40 | 6.50 | 6.35 | 6.40 | 8K | -0.16% |
| 2026-06-03 | 6.50 | 6.50 | 6.40 | 6.41 | 7K | -1.38% |
| 2026-06-02 | 6.53 | 6.63 | 6.41 | 6.50 | 2K | -0.15% |
| 2026-06-01 | 6.59 | 6.64 | 6.42 | 6.51 | 12K | -2.11% |
| 2026-05-29 | 6.64 | 6.65 | 6.44 | 6.65 | 4K | +2.23% |
| 2026-05-28 | 6.52 | 6.67 | 6.41 | 6.51 | 19K | -0.38% |
| 2026-05-27 | 6.41 | 6.60 | 6.40 | 6.53 | 9K | +1.40% |
| 2026-05-26 | 6.38 | 6.60 | 6.31 | 6.44 | 13K | -2.28% |
| 2026-05-22 | 6.21 | 6.59 | 6.21 | 6.59 | 18K | +3.13% |
| 2026-05-21 | 6.13 | 6.40 | 6.11 | 6.39 | 74K | +2.57% |
| 2026-05-20 | 6.15 | 6.23 | 6.14 | 6.23 | 24K | +2.98% |
| 2026-05-19 | 5.98 | 6.20 | 5.95 | 6.05 | 77K | -0.82% |
| 2026-05-18 | 6.36 | 6.38 | 6.05 | 6.10 | 34K | -3.94% |
| 2026-05-15 | 6.40 | 6.40 | 6.35 | 6.35 | 3K | -0.94% |
| 2026-05-14 | 6.45 | 6.67 | 6.40 | 6.41 | 29K | -0.31% |
| 2026-05-13 | 6.40 | 6.53 | 6.25 | 6.43 | 28K | +1.42% |
| 2026-05-12 | 6.27 | 6.40 | 6.15 | 6.34 | 26K | +4.79% |
| 2026-05-11 | 6.26 | 6.26 | 5.99 | 6.05 | 32K | -1.14% |
| 2026-05-08 | 6.26 | 6.32 | 6.12 | 6.12 | 12K | -2.55% |
| 2026-05-07 | 6.29 | 6.35 | 6.20 | 6.28 | 11K | +1.29% |
| 2026-05-06 | 6.05 | 6.28 | 6.03 | 6.20 | 29K | +2.48% |
| 2026-05-05 | 6.10 | 6.15 | 5.97 | 6.05 | 52K | -2.58% |
| 2026-05-04 | 6.33 | 6.46 | 6.14 | 6.21 | 17K | -3.72% |
| 2026-05-01 | 6.20 | 6.45 | 6.13 | 6.45 | 4K | +4.03% |
| 2026-04-30 | 6.00 | 6.28 | 5.95 | 6.20 | 51K | -0.80% |
| 2026-04-29 | 6.29 | 6.55 | 6.20 | 6.25 | 23K | -4.14% |
| 2026-04-28 | 6.53 | 6.59 | 6.52 | 6.52 | 17K | +0.15% |
| 2026-04-27 | 6.66 | 6.70 | 6.51 | 6.51 | 7K | -1.06% |
| 2026-04-24 | 6.70 | 6.72 | 6.52 | 6.58 | 11K | -0.30% |
| 2026-04-23 | 7.12 | 7.19 | 6.52 | 6.60 | 48K | -10.08% |
| 2026-04-22 | 7.50 | 7.50 | 6.99 | 7.34 | 26K | -0.68% |
| 2026-04-21 | 6.91 | 7.50 | 6.90 | 7.39 | 69K | +9.16% |
| 2026-04-20 | 6.25 | 6.80 | 6.23 | 6.77 | 31K | +7.63% |
| 2026-04-17 | 5.58 | 6.42 | 5.55 | 6.29 | 52K | +12.32% |
| 2026-04-16 | 5.28 | 5.68 | 5.22 | 5.60 | 45K | +5.86% |
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
FSI — Frequently Asked Questions
Quick answers to the most common questions about buying FSI stock.
How has FSI stock performed recently?
FSI returned +48.0% over the past year, beating its 5-year annualized CAGR of +10.5%. The stock trades below its 200-day moving average, confirming the uptrend.
What is FSI's all-time high price?
Flexible Solutions International, Inc. reached $11.48 on 2025-08-29. The 52-week high is $11.48. Current 1-year return of +48.0% places the stock closer to historical peaks.
Where can I download FSI historical price data?
This page provides FSI daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 1999-2026, downloadable in CSV format.