Manual Options Calculator · v7 — Stock Strength Filter · v1.1.0-beta
Should I take this trade?
Adds a fundamental/trend strength filter on the underlying stock as context — a weak company drags the grade down, but it never overrides the option pricing math.
API Status - data gathering only, never trades
What you're looking at
For your log - e.g. AAPL
The stock's current price.
$
The price the option lets you buy (call) or sell (put) at.
$
Days until the option expires.
d
How much the stock swings (yearly %). Bigger = pricier option.
%
Return on safe government bonds, as a %.
%
Each contract covers 100 shares.
- 100
The actual quote (liquidity check)
Highest someone will pay
$
What you'd pay to buy
$
Contracts traded today
Contracts outstanding
Fundamental Strength / Trend Filter
%
$M
%
Volatility Calculator (historical)
Paste or type closing prices, newest or oldest first - separated by commas, spaces, or new lines. Needs at least 20 valid prices.
252 standard
How much it has moved per year, from your prices.
- %
Historical sigma = stdev of daily log returns - sqrt(trading days). It measures past movement, which may not predict future movement.
Exit plan (set before you enter)
Sell when up this much
+%
Sell when down this much
-%
Your rules
$
%
Pricing & quality
Fair Value
$0.00
Edge vs Ask
-
Model Profit Chance
0%
Breakeven
$0.00
Total Cost
$0
Spread
-
Stock Strength
-
Volume Ratio
-
Exit plan & simplified EV
Target Exit
$ -
gain -
Stop Exit
$ -
loss -
Simplified EV
-
target/stop estimate
-
-
Enter your numbers to see a graded verdict.
Learning Loop — how your trades actually did
Paper Trade Log
No paper trades logged yet.