Flexible Solutions International, Inc. (FSI) Stock Price History
Historical prices from 2011 to 2026
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FSI Historical Performance
Short-Term Returns
FSI Stock Price Trajectory (2011–2026)
As of May 8, 2026, Flexible Solutions International, Inc. (FSI) trades at $6.28, representing a +74.4% return over the past year. The stock has delivered a +100.9% total return over five years (+14.1% 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 -45.3%, currently trading 11% below its 200-day moving average, suggesting potential weakness.
When compared to Basic Materials sector peers PESI (+26.2% 1Y), HNNA (-4.0% 1Y), and NTIC (+10.5% 1Y), FSI has outperformed the peer group average. Compare FSI vs PESI →
FSI Historical Price Data (2025–2026)
Showing 30 of 3,650 recordsLoading full history…
| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 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% |
| 2026-04-15 | 5.24 | 5.31 | 5.23 | 5.29 | 4K | +1.15% |
| 2026-04-14 | 5.26 | 5.49 | 5.23 | 5.23 | 31K | -0.76% |
| 2026-04-13 | 5.42 | 5.42 | 5.25 | 5.27 | 4K | -0.75% |
| 2026-04-10 | 5.28 | 5.41 | 5.28 | 5.31 | 8K | -1.30% |
| 2026-04-09 | 5.41 | 5.41 | 5.26 | 5.38 | 32K | -2.54% |
| 2026-04-08 | 5.44 | 5.55 | 5.44 | 5.52 | 14K | +2.99% |
| 2026-04-07 | 5.39 | 5.47 | 5.36 | 5.36 | 4K | -1.47% |
| 2026-04-06 | 5.36 | 5.53 | 5.36 | 5.44 | 6K | +2.26% |
| 2026-04-02 | 5.33 | 5.43 | 5.32 | 5.32 | 3K | -0.93% |
| 2026-04-01 | 5.35 | 5.46 | 5.25 | 5.37 | 8K | -0.56% |
| 2026-03-31 | 5.40 | 5.50 | 5.40 | 5.40 | 9K | +1.51% |
| 2026-03-30 | 5.47 | 5.53 | 5.25 | 5.32 | 23K | +0.19% |
| 2026-03-27 | 5.30 | 5.40 | 5.30 | 5.31 | 4K | -2.03% |
| 2026-03-26 | 5.27 | 5.42 | 5.26 | 5.42 | 3K | +1.69% |
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Start ComparisonFSI — Frequently Asked Questions
Quick answers to the most common questions about buying FSI stock.
How has FSI stock performed recently?
FSI returned +74.4% over the past year, beating its 5-year annualized CAGR of +14.1%. 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 +74.4% 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 2011-2026, downloadable in CSV format.