C3is Inc. (CISS) Stock Price History
Historical prices from 2023 to 2026
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CISS Historical Performance
Short-Term Returns
CISS Stock Price Trajectory (2023–2026)
As of May 8, 2026, C3is Inc. (CISS) trades at $3.32, representing a -99.4% return over the past year. The stock has delivered a -100.0% total return over five years (-92.0% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $999,999.00 on June 23, 2023. From this peak, CISS has corrected -100.0%, currently trading 98% below its 200-day moving average, suggesting potential weakness.
When compared to Industrials sector peers SBLK (+79.2% 1Y), SB (+104.6% 1Y), and SHIP (+199.1% 1Y), CISS has underperformed the peer group average. Compare CISS vs SBLK →
CISS Historical Price Data (2025–2026)
Showing 30 of 728 recordsLoading full history…
| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-05-07 | 3.41 | 3.43 | 3.25 | 3.32 | 33K | -4.05% |
| 2026-05-06 | 3.35 | 3.50 | 3.31 | 3.46 | 38K | +2.67% |
| 2026-05-05 | 3.47 | 3.47 | 3.28 | 3.37 | 38K | -3.16% |
| 2026-05-04 | 3.26 | 3.63 | 3.17 | 3.48 | 72K | +5.45% |
| 2026-05-01 | 3.35 | 3.41 | 3.23 | 3.30 | 89K | -3.23% |
| 2026-04-30 | 3.22 | 3.41 | 2.81 | 3.41 | 65K | +5.90% |
| 2026-04-29 | 3.50 | 3.56 | 3.17 | 3.22 | 48K | -10.31% |
| 2026-04-28 | 3.30 | 3.65 | 3.02 | 3.59 | 160K | +4.97% |
| 2026-04-27 | 2.84 | 3.49 | 2.70 | 3.42 | 103K | +15.54% |
| 2026-04-24 | 3.18 | 3.18 | 2.89 | 2.96 | 80K | -1.66% |
| 2026-04-23 | 5.11 | 5.11 | 2.87 | 3.01 | 332K | -45.47% |
| 2026-04-22 | 5.63 | 5.68 | 5.39 | 5.52 | 11K | -2.47% |
| 2026-04-21 | 5.87 | 5.88 | 5.55 | 5.66 | 11K | -1.91% |
| 2026-04-20 | 5.74 | 5.85 | 5.60 | 5.77 | 11K | +2.85% |
| 2026-04-17 | 5.90 | 6.10 | 5.60 | 5.61 | 13K | -3.44% |
| 2026-04-16 | 6.09 | 6.13 | 5.67 | 5.81 | 20K | -1.69% |
| 2026-04-15 | 5.69 | 5.96 | 5.66 | 5.91 | 17K | +2.78% |
| 2026-04-14 | 5.76 | 5.97 | 5.64 | 5.75 | 15K | +0.17% |
| 2026-04-13 | 5.52 | 5.74 | 5.39 | 5.74 | 21K | +0.17% |
| 2026-04-10 | 5.46 | 5.86 | 5.46 | 5.73 | 14K | +2.87% |
| 2026-04-09 | 5.38 | 5.81 | 5.38 | 5.57 | 14K | +0.72% |
| 2026-04-08 | 5.53 | 5.73 | 5.53 | 5.53 | 8K | 0.00% |
| 2026-04-07 | 5.60 | 5.70 | 5.32 | 5.53 | 18K | -3.66% |
| 2026-04-06 | 5.88 | 5.88 | 5.67 | 5.74 | 10K | +0.53% |
| 2026-04-02 | 5.46 | 5.89 | 5.41 | 5.71 | 11K | -0.35% |
| 2026-04-01 | 5.63 | 5.81 | 5.59 | 5.73 | 11K | -1.04% |
| 2026-03-31 | 5.67 | 5.81 | 5.53 | 5.79 | 12K | +3.95% |
| 2026-03-30 | 5.60 | 5.74 | 5.46 | 5.57 | 16K | -0.54% |
| 2026-03-27 | 5.88 | 6.09 | 5.57 | 5.60 | 17K | -2.61% |
| 2026-03-26 | 5.98 | 6.23 | 5.68 | 5.75 | 14K | -4.01% |
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Start ComparisonCISS — Frequently Asked Questions
Quick answers to the most common questions about buying CISS stock.
How has CISS stock performed recently?
CISS declined -99.4% over the past year, below its 5-year annualized CAGR of -92.0%. The stock trades below its 200-day moving average, reflecting the downtrend.
What is CISS's all-time high price?
C3is Inc. reached $999999.00 on 2023-06-23. The 52-week high is $831.60. Current 1-year return of -99.4% places the stock further from historical peaks.
Where can I download CISS historical price data?
This page provides CISS daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2023-2026, downloadable in CSV format.