All deterministic stock tools

Stock Percentage Move

Calculate percentage move between two stock prices.

Gap Up / Gap Down

Calculate the opening gap versus previous close.

Earnings Move

Calculate move from pre-earnings to post-earnings price.

Expected Move vs Actual Move

Compare implied expected move with actual post-event move.

Pre-Market Move

Calculate pre-market move from previous close.

After-Hours Move

Calculate after-hours move from regular close.

52-Week High Distance

Calculate distance from current price to 52-week high.

52-Week Low Distance

Calculate distance from current price to 52-week low.

Earnings Surprise

Calculate how much actual EPS or revenue beat or missed estimates.

Guidance Change

Calculate percentage increase or decrease in company guidance.

Analyst Rating Change Tracker

Convert before/after analyst ratings into clear upgrade or downgrade labels.

News Count Spike

Measure how today’s news volume compares with average daily count.

Stock Return

Calculate profit or loss from buy price, sell price, and shares.

Price Target Upside

Calculate upside or downside to a target price.

Position Size

Calculate how many shares you can buy from a budget.

Portfolio Weight

Calculate what percent one position represents in a portfolio.

Average Buy Price

Calculate weighted average cost across multiple buys.

Stock Averaging Down

Calculate new average cost after adding shares at lower price.

Break-Even Stock Price

Calculate the exit price needed to break even.

Stop Loss

Calculate stop-loss price and max loss from risk %.

Take Profit

Calculate target exit price from desired profit percentage.

Risk/Reward Ratio

Calculate risk/reward from entry, stop, and target.

Drawdown

Calculate percentage drop from peak to current/bottom price.

Recovery Needed

Calculate gain required to recover from a loss.

Analyst Price Target Change

Calculate how much an analyst target was raised or lowered.

Portfolio Gain/Loss

Calculate total profit or loss across multiple stock positions.

Portfolio Break-Even

Calculate weighted break-even move needed for the whole portfolio.

Stock Exit Value

Calculate cash proceeds from selling shares at a target price.

Partial Sell

Calculate remaining shares, realized P/L, and remaining value after a partial sale.

Risk Per Trade

Calculate total dollars at risk from entry, stop, and share count.

Max Shares by Risk

Calculate max shares you can buy without exceeding risk budget.

Profit Scenario

Calculate profit or loss at multiple target prices.

Loss Scenario

Calculate downside loss at multiple scenario prices.

Annualized Return

Convert total return over a period into annualized return.

CAGR

Calculate compound annual growth rate.

Holding Period Return

Calculate return over a holding period including dividends.

Total Return

Calculate full return from capital gain/loss plus dividends.

Cost Basis

Calculate total cost basis after multiple buys and fees.

Realized Gain/Loss

Calculate realized profit or loss from sold shares.

Unrealized Gain/Loss

Calculate current open profit or loss on held shares.

Taxable Gain

Calculate taxable capital gain before tax-rate application.

Capital Gains Tax Estimator

Estimate capital gains tax using gain amount and tax rate.

Dollar-Cost Averaging

Calculate average cost after equal periodic investments.

Lump Sum vs DCA

Compare outcomes from lump-sum investing versus periodic DCA.

Target Portfolio Allocation

Calculate target dollar values for assets using target weights.

Portfolio Rebalancing

Calculate buy/sell amounts needed to reach target allocation.

Position Trim

Calculate shares to sell to reduce position to target weight.

Position Add

Calculate shares to buy to increase position to target weight.

Portfolio Concentration

Calculate concentration percentage of top holdings.

Single Stock Risk

Calculate portfolio loss if one position drops by a given percentage.

Scenario Portfolio Value

Calculate total portfolio value under per-holding move scenarios.

Price Needed for Target Profit

Calculate required stock price for a desired profit amount.

Shares Needed for Target Profit

Calculate shares required to reach a target profit at a target price.

Average Exit Price

Calculate weighted average price after multiple partial sells.

Remaining Cost Basis

Calculate remaining cost basis after a partial sale.

Wash Sale Loss

Calculate disallowed loss from wash-sale share overlap.

Margin Interest

Calculate borrowing cost on margin over a given day count.

Margin Buying Power

Calculate buying power from equity and margin requirement.

Margin Call Price

Estimate stock price where maintenance margin may be breached.

Option Intrinsic Value

Calculate intrinsic value of a call or put option.

Option Breakeven

Calculate breakeven stock price for call or put buyers.

Covered Call Return

Calculate max profit, breakeven, and return for a covered call.

Float Rotation

Calculate how many times float traded during the session.

Relative Volume

Compare today’s volume against average daily volume.

Volume Spike

Calculate volume increase or decrease versus average.

Dollar Volume

Calculate traded dollar volume from price and shares traded.

Liquidity

Estimate session liquidity from price and volume.

Market Cap

Calculate market capitalization from price and shares outstanding.

Market Cap Change

Calculate market value gained or lost after a price move.

Revenue Growth

Calculate revenue growth percentage between two periods.

EPS Growth

Calculate EPS growth percentage between two periods.

PEG Ratio

Calculate price/earnings-to-growth ratio.

Price-to-Sales

Calculate P/S ratio from market cap and revenue.

Price-to-Book

Calculate P/B ratio from market cap and book value.

Enterprise Value

Calculate enterprise value including debt and cash adjustments.

EV/EBITDA

Calculate EV/EBITDA valuation multiple.

EV/Revenue

Calculate EV/Revenue valuation multiple.

Free Cash Flow Yield

Calculate free cash flow yield from FCF and market cap.

Shares Outstanding

Estimate shares outstanding from market cap and stock price.

Stock Split

Calculate new share count and adjusted price after a split.

Reverse Split

Calculate adjusted share count and price after reverse split.

Stock Dilution

Calculate dilution percentage after issuing new shares.

Offering Dilution

Calculate ownership dilution and theoretical impact after an offering.

Warrant Dilution

Calculate potential dilution if warrants are exercised.

Convertible Note Dilution

Calculate shares created from convertible debt conversion.

Float

Calculate public float from shares outstanding and restricted shares.

Insider Transaction Value

Calculate dollar value of insider buys or sells.

Insider Ownership Change

Calculate insider ownership change after a transaction.

Institutional Ownership Change

Calculate institutional ownership change between filings.

Short Interest Percentage

Calculate short interest as percentage of float.

Days to Cover

Calculate days shorts need to cover at average volume.

Short Squeeze Risk Score

Deterministic squeeze risk score from short metrics.

VWAP

Calculate volume-weighted average price from price/volume rows.

SMA

Calculate simple moving average from selected closing prices.

EMA

Calculate exponential moving average with recent-price weighting.

RSI

Calculate Relative Strength Index from sequential closing prices.

Volatility

Calculate historical volatility from return observations.

Beta

Calculate beta versus market return observations.

Sharpe Ratio

Calculate risk-adjusted return using return, risk-free rate, and volatility.

Pivot Point

Calculate classic pivot support and resistance levels.

Fibonacci Retracement

Calculate key retracement levels from swing high and low.

ATR

Calculate Average True Range to measure volatility.

Dividend Yield

Calculate annual dividend yield from dividend and stock price.

Dividend Payout Ratio

Calculate payout ratio from dividends per share and EPS.

Dividend Income

Calculate expected dividend income from shares owned.

Ex-Dividend Price Adjustment

Calculate theoretical ex-dividend price adjustment.

Dividend Reinvestment

Calculate how many additional shares dividends can purchase.

Dividend Growth

Calculate dividend growth between two dividend amounts.

Yield on Cost

Calculate dividend yield based on original purchase cost.

Dividend Coverage Ratio

Measure how many times earnings cover dividends.