Masimo Corporation (MASI)
NASDAQ: MASI
· Real-Time Price · USD
151.91
-4.05 (-2.60%)
At close: Aug 14, 2025, 3:59 PM
152.31
0.26%
Pre-market: Aug 15, 2025, 05:55 AM EDT
MASI Option Overview
Overview for all option chains of MASI. As of August 15, 2025, MASI options have an IV of 278.02% and an IV rank of 433.52%. The volume is 26 contracts, which is 25% of average daily volume of 104 contracts. The volume put-call ratio is 0.44, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
278.02%IV Rank
433.52%Historical Volatility
49.03%IV Low
39.99% on Nov 26, 2024IV High
94.9% on Aug 14, 2025Open Interest (OI)
Today's Open Interest
1,991Put-Call Ratio
0.87Put Open Interest
924Call Open Interest
1,067Open Interest Avg (30-day)
1,230Today vs Open Interest Avg (30-day)
161.87%Option Volume
Today's Volume
26Put-Call Ratio
0.44Put Volume
8Call Volume
18Volume Avg (30-day)
104Today vs Volume Avg (30-day)
25%Option Chain Statistics
This table provides a comprehensive overview of all MASI options grouped by their expiration dates.
| Expiration | Call Vol | Put Vol | P/C Vol | Call OI | Put OI | P/C OI | Implied Volatility | Max Pain |
| Aug 15, 2025 | 0 | 0 | 0 | 375 | 553 | 1.47 | 278.02% | 160 |
| Sep 19, 2025 | 0 | 1 | 0 | 499 | 222 | 0.44 | 56.07% | 140 |
| Oct 17, 2025 | 10 | 0 | 0 | 108 | 51 | 0.47 | 43.56% | 135 |
| Dec 19, 2025 | 2 | 5 | 2.5 | 51 | 79 | 1.55 | 38.81% | 130 |
| Mar 20, 2026 | 6 | 2 | 0.33 | 34 | 19 | 0.56 | 39.62% | 135 |