RIO TINTO PLC (RIO) Options Volume

3,383 RIO TINTO PLC (RIO) option contracts changed hands in the latest session, at a put/call volume ratio of 0.60. This page tracks how actively RIO 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
$104.82
52-week range
$61.87 – $112.13
ATM IV (30d)
31.7%
IV rank
40 / 100
Moderate
Expected move
±$8.70 (±8.3%)
Put/call OI
0.71
Call-heavy
Max pain
$95
↓ 9.4% below close

Options Volume & Premium Flow

Total options volume3,383
Call volume2,115
Put volume1,268
Put/call volume ratio0.60
Listed contracts586
Call premium traded$1.43M
Put premium traded$264.99K
Premium put/call ratio0.19
Open interest rank (31 day)10 / 100

RIO Options Volume Trend

0354.9K709.8K1.1M1.4MFeb '26May '26Aug '26

RIO total options volume per session, past year.

0.001.302.593.895.19Feb '26May '26Aug '26

RIO put/call volume ratio, past year.

RIO Unusual Options Activity

No RIO contract currently trades at 3× its 30-day average volume with at least 500 contracts — nothing clears OptiView's unusual-activity bar today.

With a put/call volume ratio of 0.60, today's trading is tilted toward calls. Measured in dollars rather than contracts, $1.43M of call premium and $264.99K of put premium changed hands — the larger premium flow is on the call side.

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RIO Options FAQ

How many RIO options traded today?

3,383 RIO option contracts traded as of Aug 24, 2026 — 2,115 calls and 1,268 puts.

Is there unusual options activity in RIO today?

No RIO contract currently clears OptiView's unusual-activity bar as of Aug 24, 2026, which requires at least 3× the contract's 30-day average volume and 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.