ALUMIS INC. (ALMS) Options Volume
4,158 ALUMIS INC. (ALMS) option contracts changed hands in the latest session, at a put/call volume ratio of 2.66. This page tracks how actively ALMS options trade — contracts and dollars — and flags individual contracts running far above their own 30-day average volume.
Data as of Oct 2, 2026, 3:55 PM ET · OPRA data 15 minutes delayed · For information only — not investment advice.
Options Volume & Premium Flow
| Total options volume | 4,158 |
| Call volume | 1,135 |
| Put volume | 3,023 |
| Put/call volume ratio | 2.66 |
| Listed contracts | 356 |
| Call premium traded | $11.27K |
| Put premium traded | $790.11K |
| Premium put/call ratio | 70.13 |
| Open interest rank (31 day) | 38 / 100 |
ALMS Options Volume Trend
ALMS total options volume per session, past year.
ALMS put/call volume ratio, past year.
ALMS Unusual Options Activity
Contracts trading at least 3× their own 30-day average volume (minimum 500 contracts):
| Contract | Expiration | Last | IV | Open interest | Volume | vs 30d avg |
|---|---|---|---|---|---|---|
| ALMS $10 put | Oct 16, 2026 | $3.38 | 0.0% | 2,205 | 1,740 | 73.2× avg |
| ALMS $40 call | Oct 16, 2026 | $0.01 | 762.9% | 2,082 | 1,000 | 137.2× avg |
| ALMS $8 put | Oct 16, 2026 | $1.46 | 59.4% | 2,529 | 782 | 6.5× avg |
With a put/call volume ratio of 2.66, today's trading is tilted toward puts. Measured in dollars rather than contracts, $11.27K of call premium and $790.11K of put premium changed hands — the larger premium flow is on the put side. 3 contracts are trading at least three times their own 30-day average volume — activity worth a closer look.
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ALMS Options FAQ
How many ALMS options traded today?
4,158 ALMS option contracts traded as of Oct 2, 2026 — 1,135 calls and 3,023 puts.
Is there unusual options activity in ALMS today?
Yes — 3 contracts are trading at least three times their 30-day average volume as of Oct 2, 2026. OptiView flags a contract as unusual when today's volume runs at 3× its own average with at least 500 contracts traded.
Methodology. IV rank compares the current 30-day at-the-money implied volatility with its highest and lowest values over the past 52 weeks. Max pain is the strike that minimizes the total payout to option holders at expiration. The call and put walls are the strikes carrying the largest call and put open interest across all expirations. Net gamma exposure (GEX) is measured from the dealer perspective. All statistics are derived from delayed OPRA options data.
Options trading involves significant risk, and losses can exceed your initial investment. Always consult a licensed financial professional before making investment decisions. OptiView does not provide financial advice; all figures on this page are descriptive statistics, not recommendations.