Latest, 21 Oct 2026:10 usersMove the mouse over the chart for any month
Ratings count
monthly, 2 years
Latest, 21 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Options Watcher
Options Watcher is a lightweight extension designed for options traders who want to quickly calculate and track option premiums.
Key Features:
- Calculate option premiums for both Call (CE) and Put (PE) options
- Track intrinsic values and premium changes
- Store calculation history with timestamps
- Compare premium changes across different spot prices
- Simple, clean interface for quick calculations
How to Use:
1. Enter the current spot price
2. Input the option strike price
3. Add the current option trading price
4. Select option type (CE/PE)
5. Click "Calculate Premium" to see results
The extension maintains a history of your calculations, making it easy to track how premiums change as spot prices move. Each calculation shows the timestamp, spot price, strike price, option type, and premium value, with clear indicators for premium increases and decreases.
Perfect for traders who need quick premium calculations without navigating through complex platforms. All calculations are done locally and your history is stored in your browser.
Note: This is a manual calculation tool and does not fetch real-time market data.
Growth
Window
Users
Change
Ratings
Rating
7 days
0
+0.0%
0
0.00
30 days
0
+0.0%
0
0.00
6 months
+3
+42.9%
0
0.00
1 year
+4
+66.7%
0
0.00
Chrome Web Store search rankings
Where Options Watcher appears when people search the store, with the 30 day change