AMEX: ERX · Real-Time Price · USD
51.72
-0.01 (-0.02%)
At close: Aug 15, 2025, 3:59 PM
51.71
-0.02%
After-hours: Aug 15, 2025, 04:10 PM EDT

ERX Option Overview

Overview for all option chains of ERX. As of August 15, 2025, ERX options have an IV of 172.8% and an IV rank of 442.86%. The volume is 176 contracts, which is 78.57% of average daily volume of 224 contracts. The volume put-call ratio is 0.59, indicating a bullish sentiment in the market.

Implied Volatility

Implied Volatility (30d)
172.8%
IV Rank
442.86%
Historical Volatility
32.35%
IV Low
37.21% on Mar 24, 2025
IV High
67.83% on Aug 14, 2025

Open Interest (OI)

Today's Open Interest
9,150
Put-Call Ratio
0.73
Put Open Interest
3,868
Call Open Interest
5,282
Open Interest Avg (30-day)
7,805
Today vs Open Interest Avg (30-day)
117.23%

Option Volume

Today's Volume
176
Put-Call Ratio
0.59
Put Volume
65
Call Volume
111
Volume Avg (30-day)
224
Today vs Volume Avg (30-day)
78.57%

Option Chain Statistics

This table provides a comprehensive overview of all ERX 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 29 5 0.17 1,078 1,603 1.49 172.8% 54
Sep 19, 2025 38 57 1.5 861 316 0.37 43.8% 51
Oct 17, 2025 2 0 0 861 443 0.51 44.4% 51
Jan 16, 2026 19 3 0.16 1,567 973 0.62 42.34% 57
Apr 17, 2026 0 0 0 0 0 0 41.76% 39
Jun 18, 2026 0 0 0 0 0 0 n/a 42
Jan 15, 2027 23 0 0 915 533 0.58 42.45% 50