Protective Put on Shinpo (5903.T)
A protective put on Shinpo (5903.T) is a bullish with downside protection options strategy. A protective put on Shinpo means holding 100 shares and buying one out-of-the-money put as insurance, capping downside below the strike in exchange for paying premium. Strikes below are illustrative, anchored to 5903.T's real 1,685 JPY price as of 2026-07-21 — not a live option quote.
Last updated 2026-07-21 · Source: FMP end-of-day close (real price); strikes illustrative, educational only — not a live option quote
How does a protective put on 5903.T work?
A protective put on Shinpo means holding 100 shares and buying one out-of-the-money put as insurance, capping downside below the strike in exchange for paying premium.
Outlook: bullish with downside protection. Real reference price: 1,685 JPY (as of 2026-07-21).
How to set up the protective put (illustrative)
| Leg | Detail (illustrative) |
|---|---|
| Own | 100 shares of 5903.T (real last price ~1685 JPY) |
| Buy | 1 put, illustratively ~5% OTM near the 1600.75 JPY strike |
Strikes are illustrative percentages of the real price, not live option quotes. Pick actual strikes and expiries from a broker's option chain.
Max profit, max loss and breakeven
| Max profit | unlimited above the price you paid, minus the put premium |
|---|---|
| Max loss | (share cost − put strike) + premium paid — downside is floored near the 1600.75 JPY strike |
| Breakeven | share cost + premium paid |
When to use it — and the risks
When: When you are bullish on 5903.T but want a defined downside floor through an event or uncertain period.
Risks: The premium paid is a drag on returns; if 5903.T rises the put expires worthless (its cost is the price of the insurance).
Related research pages
Frequently asked questions
What is a protective put on 5903.T?
A protective put on Shinpo means holding 100 shares and buying one out-of-the-money put as insurance, capping downside below the strike in exchange for paying premium.
How do you set up a protective put for 5903.T?
Own: 100 shares of 5903.T (real last price ~1685 JPY). Buy: 1 put, illustratively ~5% OTM near the 1600.75 JPY strike. Strikes shown are illustrative, anchored to 5903.T's real 1685 JPY price as of 2026-07-21 — choose actual strikes from a live option chain.
What is the max profit and loss?
Max profit: unlimited above the price you paid, minus the put premium. Max loss: (share cost − put strike) + premium paid — downside is floored near the 1600.75 JPY strike. Breakeven: share cost + premium paid.
When should you use a protective put on 5903.T?
When you are bullish on 5903.T but want a defined downside floor through an event or uncertain period. Risks: The premium paid is a drag on returns; if 5903.T rises the put expires worthless (its cost is the price of the insurance).