Cabaletta Bio, Inc. (CABA) Options Volume

597 Cabaletta Bio, Inc. (CABA) option contracts changed hands in the latest session, at a put/call volume ratio of 0.11. This page tracks how actively CABA options trade — contracts and dollars — and flags individual contracts running far above their own 30-day average volume.

Data as of Jul 10, 2026, 8:00 PM ET · OPRA data 15 minutes delayed · For information only — not investment advice.

Last close
$3.00
52-week range
$1.33 – $4.03
ATM IV (30d)
81.0%
IV rank
2 / 100
Low
Expected move
±$0.34 (±11.2%)
Put/call OI
0.05
Call-heavy
Max pain
$2.5
↓ 16.7% below close
Next earnings
Aug 9, 2026

Options Volume & Premium Flow

Total options volume597
Call volume539
Put volume58
Put/call volume ratio0.11
Listed contracts162
Call premium traded$27.17K
Put premium traded$1.52K
Premium put/call ratio0.06
Open interest rank (31 day)100 / 100
Skew rank (31 day)0 / 100

CABA Options Volume Trend

04.4K8.8K13.2K17.6KFeb '26May '26Jul '26

CABA total options volume per session, past year.

0.000.661.321.982.65Feb '26May '26Jul '26

CABA put/call volume ratio, past year.

CABA Unusual Options Activity

No CABA 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 0.11, today's trading is tilted toward calls. Measured in dollars rather than contracts, $27.17K of call premium and $1.52K of put premium changed hands — the larger premium flow is on the call side.

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CABA Options FAQ

How many CABA options traded today?

597 CABA option contracts traded as of Jul 10, 2026 — 539 calls and 58 puts.

Is there unusual options activity in CABA today?

No CABA contract currently clears OptiView's unusual-activity bar as of Jul 10, 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.