Masimo Corporation (MASI)
NASDAQ: MASI
· Real-Time Price · USD
147.19
4.18 (2.92%)
At close: Sep 05, 2025, 3:59 PM
146.22
-0.66%
After-hours: Sep 05, 2025, 07:03 PM EDT
MASI Option Overview
Overview for all option chains of MASI. As of September 06, 2025, MASI options have an IV of 77.42% and an IV rank of 141.12%. The volume is 117 contracts, which is 260% of average daily volume of 45 contracts. The volume put-call ratio is 0.08, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
77.42%IV Rank
141.12%Historical Volatility
50.76%IV Low
39.99% on Nov 26, 2024IV High
66.51% on Sep 02, 2025Open Interest (OI)
Today's Open Interest
1,341Put-Call Ratio
0.53Put Open Interest
466Call Open Interest
875Open Interest Avg (30-day)
1,167Today vs Open Interest Avg (30-day)
114.91%Option Volume
Today's Volume
117Put-Call Ratio
0.08Put Volume
9Call Volume
108Volume Avg (30-day)
45Today vs Volume Avg (30-day)
260%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 |
| Sep 19, 2025 | 101 | 0 | 0 | 618 | 250 | 0.4 | 77.42% | 140 |
| Oct 17, 2025 | 7 | 7 | 1 | 135 | 60 | 0.44 | 49.16% | 145 |
| Dec 19, 2025 | 0 | 2 | 0 | 59 | 114 | 1.93 | 43.96% | 135 |
| Mar 20, 2026 | 0 | 0 | 0 | 63 | 42 | 0.67 | 39.81% | 135 |