Target Price Playground
REGN
$927.89
🟢
REGN IV: 36.7% — LOW
(-49.8% vs 30d avg of 73.1%)
Options are cheap vs 30d avg — good time to BUY options (long calls/puts, debit spreads).
Forward Projection
If price hits $880 by Dec 18
Historical Backtest
Coming soon
Signal Backtest
Coming soon
📋 Strategy
Long Stock
Long Call
Long Put
Bull Call Spread
Bear Put Spread
Covered Call
Protective Put
Cash-Secured Put
Diagonal Put Spread
Long Straddle
Buy a longer-dated put, sell a shorter-dated OTM put. Profits from time decay + a moderate drop.
🎯 Target
48d from today
⚙️ Legs
LONG PUT · $930 · Jan '27
Qty 1 · Premium $57.67 · Δ -0.45
SHORT PUT · $880 · Dec '26
Qty 1 · Premium $52.6 · Δ -0.3
P&L at Expiry
Stock (100 sh)
Diagonal Put Spread
Now
Target
💡 Stock vs Options at Target
If REGN hits $880 by Dec 18: the diagonal put spread returns +$5,918 (1167.7%) on $507 risked, vs $-4,789 (-5.2%) for 100 shares on $92,789. Options give 224.6× capital efficiency.
📅 Expiry
Options expire Dec 18, 2026 (48 days out). P&L shown is the value at expiry if REGN is at $880. Use the 30d / 60d / 90d / 180d pills to compare different expiries.
📊 Projected Return
P&L if REGN hits $880 by Dec 18
+$5,918
+1167.7% on $507 risked
Max Profit
+$5,892
If the stock price is favorable
Max Loss
−$493
Worst-case within chart range
Break-even
$1050.05
+13.17% from spot
Prob. of Target Hit
69%
IV-implied, 48d (rough)
Net Δ / Θ / V
-14.58 / 5.1 / 54.93
per spread, per $1 move / day / vol pt
📋 Notes for each mode (not shown on real page)
Forward Projection
Reprices legs at (target_price, target_date) via Black-Scholes. Works on existing BS service. Simplest mode — ship first.
Reprices legs at (target_price, target_date) via Black-Scholes. Works on existing BS service. Simplest mode — ship first.
Historical Backtest
Uses our historical options chains to replay this exact strategy over past expirations. Needs: date picker, "rolling every N days", cumulative P&L chart.
Uses our historical options chains to replay this exact strategy over past expirations. Needs: date picker, "rolling every N days", cumulative P&L chart.
Signal Backtest
"Run this strategy on every BUY-rated stock with score ≥ 80 for last 90d." Reuses score_backtest pipeline + strategy overlay.
"Run this strategy on every BUY-rated stock with score ≥ 80 for last 90d." Reuses score_backtest pipeline + strategy overlay.
Solve for Return
Inverse: user says "+50% in 90d", system solves for required price move, shows IV-implied probability. Pure math.
Inverse: user says "+50% in 90d", system solves for required price move, shows IV-implied probability. Pure math.
📊 P&L Scenarios — what happens at different prices and dates
| REGN Price | Today | Nov 16 | Dec 2 | Dec 18 (exp) |
|---|---|---|---|---|
| $742 (-20%) | +$4,222 | +$4,296 | +$4,303 | +$4,212 |
| $789 (-15%) | +$4,120 | +$4,297 | +$4,464 | +$4,368 |
| $835 (-10%) | +$3,839 | +$4,094 | +$4,476 | +$4,855 |
| $880 (-5%) ← target | +$3,378 | +$3,620 | +$4,043 | +$5,918 |
| $909 (-2%) | +$2,994 | +$3,175 | +$3,486 | +$4,105 |
| $928 (0%) ← spot | +$2,728 | +$2,855 | +$3,056 | +$3,148 |
| $946 (+2%) | +$2,453 | +$2,520 | +$2,597 | +$2,339 |
| $974 (+5%) | +$2,035 | +$2,011 | +$1,912 | +$1,383 |
| $1021 (+10%) | +$1,373 | +$1,227 | +$941 | +$366 |
| $1067 (+15%) | +$809 | +$601 | +$277 | -$145 |
| $1113 (+20%) | +$370 | +$157 | -$113 | -$372 |
Uses REGN's current IV for repricing. P&L includes all legs (stock + options). Qty: 1x.