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 $1020 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
Own stock + buy put as insurance against downside.
🎯 Target
48d from today
⚙️ Legs
LONG 100 SHARES
@ $927.89 · Δ 1.00
LONG PUT · $880 · Dec '26
Qty 1 · Premium $52.6 · Δ -0.3
P&L at Expiry
Stock (100 sh)
Protective Put
Now
Target
💡 Stock vs Options at Target
If REGN hits $1020 by Dec 18: the protective put returns +$3,951 (4.0%) on $98,049 risked, vs +$9,211 (9.9%) for 100 shares on $92,789. Options give 0.4× capital efficiency.
📅 Expiry
Options expire Dec 18, 2026 (48 days out). P&L shown is the value at expiry if REGN is at $1020. Use the 30d / 60d / 90d / 180d pills to compare different expiries.
📊 Projected Return
P&L if REGN hits $1020 by Dec 18
+$3,951
+4.0% on $98,049 risked
Max Profit
Unlimited
Unlimited upside (minus put cost)
Max Loss
−$10,049
Put floors you at $880
Break-even
$980.49
+5.67% from spot
Prob. of Target Hit
45%
IV-implied, 48d (rough)
Net Δ / Θ / V
69.58 / -39.17 / 112.65
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%) | -$10,034 | -$10,170 | -$10,194 | -$10,049 |
| $789 (-15%) | -$9,232 | -$9,631 | -$10,000 | -$10,049 |
| $835 (-10%) | -$7,800 | -$8,441 | -$9,238 | -$10,049 |
| $882 (-5%) | -$5,628 | -$6,383 | -$7,396 | -$9,899 |
| $909 (-2%) | -$3,970 | -$4,716 | -$5,687 | -$7,116 |
| $928 (0%) ← spot | -$2,729 | -$3,439 | -$4,323 | -$5,260 |
| $946 (+2%) | -$1,388 | -$2,046 | -$2,813 | -$3,404 |
| $974 (+5%) | +$784 | +$226 | -$345 | -$621 |
| $1020 (+10%) ← target | +$4,691 | +$4,312 | +$4,016 | +$3,951 |
| $1067 (+15%) | +$9,019 | +$8,794 | +$8,670 | +$8,658 |
| $1113 (+20%) | +$13,466 | +$13,345 | +$13,300 | +$13,298 |
Uses REGN's current IV for repricing. P&L includes all legs (stock + options). Qty: 1x.