STMicroelectronics N.V. (STM) Options Volume

4,433 STMicroelectronics N.V. (STM) option contracts changed hands in the latest session, at a put/call volume ratio of 0.29. This page tracks how actively STM options trade — contracts and dollars — and flags individual contracts running far above their own 30-day average volume.

Data as of Oct 9, 2026, 3:55 PM ET · OPRA data 15 minutes delayed · For information only — not investment advice.

Last close
$52.15
52-week range
$21.19 – $80.27
ATM IV (30d)
69.3%
IV rank
40 / 100
Moderate
Expected move
±$8.67 (±16.6%)
Put/call OI
0.73
Call-heavy
Max pain
$55
↑ 5.5% above close

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Options Volume & Premium Flow

Total options volume4,433
Call volume3,436
Put volume997
Put/call volume ratio0.29
Listed contracts856
Call premium traded$1.31M
Put premium traded$460.38K
Premium put/call ratio0.35
Open interest rank (31 day)71 / 100
Skew rank (31 day)14 / 100

STM Options Volume Trend

023.2K46.4K69.6K92.8KFeb '26Jun '26Oct '26

STM total options volume per session, past year.

0.000.701.412.112.81Feb '26Jun '26Oct '26

STM put/call volume ratio, past year.

STM Unusual Options Activity

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

ContractExpirationLastIV Open interestVolumevs 30d avg
STM $65 call Jan 15, 2027 $2.15 54.1% 2,117 906 31.5× avg
STM $65 call Jan 19, 2029 $13.80 54.0% 159 505 17.6× avg

With a put/call volume ratio of 0.29, today's trading is tilted toward calls. Measured in dollars rather than contracts, $1.31M of call premium and $460.38K of put premium changed hands — the larger premium flow is on the call side. 2 contracts are trading at least three times their own 30-day average volume — activity worth a closer look.

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STM Options FAQ

How many STM options traded today?

4,433 STM option contracts traded as of Oct 9, 2026 — 3,436 calls and 997 puts.

Is there unusual options activity in STM today?

Yes — 2 contracts are trading at least three times their 30-day average volume as of Oct 9, 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.