Summit Therapeutics Inc. (SMMT) Options Volume

6,508 Summit Therapeutics Inc. (SMMT) option contracts changed hands in the latest session, at a put/call volume ratio of 0.79. This page tracks how actively SMMT options trade — contracts and dollars — and flags individual contracts running far above their own 30-day average volume.

Data as of Aug 24, 2026, 3:55 PM ET · OPRA data 15 minutes delayed · For information only — not investment advice.

Last close
$12.70
52-week range
$12.44 – $27.02
ATM IV (30d)
146.3%
IV rank
73 / 100
High
Expected move
±$5.50 (±43.3%)
Put/call OI
0.43
Call-heavy
Max pain
$12
↓ 5.5% below close
Next earnings
Nov 2, 2026

Options Volume & Premium Flow

Total options volume6,508
Call volume3,643
Put volume2,865
Put/call volume ratio0.79
Listed contracts686
Call premium traded$860.36K
Put premium traded$498.85K
Premium put/call ratio0.58
Open interest rank (31 day)75 / 100

SMMT Options Volume Trend

013.2K26.4K39.7K52.9KFeb '26May '26Aug '26

SMMT total options volume per session, past year.

0.002.865.728.5811.44Feb '26May '26Aug '26

SMMT put/call volume ratio, past year.

SMMT Unusual Options Activity

Contracts trading at least 3× their own 30-day average volume (minimum 500 contracts):

ContractExpirationLastIV Open interestVolumevs 30d avg
SMMT $15 call Mar 19, 2027 $3.80 41 1,027 23.7× avg
SMMT $12.5 put Aug 28, 2026 $0.45 0.0% 86 963 4.6× avg
SMMT $10 put Jan 15, 2027 $2.20 141.7% 4,898 526 3.1× avg

With a put/call volume ratio of 0.79, today's trading is roughly balanced between calls and puts. Measured in dollars rather than contracts, $860.36K of call premium and $498.85K of put premium changed hands — the larger premium flow is on the call side. 3 contracts are trading at least three times their own 30-day average volume — activity worth a closer look.

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SMMT Options FAQ

How many SMMT options traded today?

6,508 SMMT option contracts traded as of Aug 24, 2026 — 3,643 calls and 2,865 puts.

Is there unusual options activity in SMMT today?

Yes — 3 contracts are trading at least three times their 30-day average volume as of Aug 24, 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.