Protective Put on Daisue Construction (1814.T)

A protective put on Daisue Construction (1814.T) is a bullish with downside protection options strategy. A protective put on Daisue Construction 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 1814.T's real 3,620 JPY price as of 2026-07-22 — not a live option quote.

Last updated 2026-07-22 · Source: FMP end-of-day close (real price); strikes illustrative, educational only — not a live option quote

How does a protective put on 1814.T work?

A protective put on Daisue Construction 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: 3,620 JPY (as of 2026-07-22).

How to set up the protective put (illustrative)

LegDetail (illustrative)
Own100 shares of 1814.T (real last price ~3620 JPY)
Buy1 put, illustratively ~5% OTM near the 3439 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 profitunlimited above the price you paid, minus the put premium
Max loss(share cost − put strike) + premium paid — downside is floored near the 3439 JPY strike
Breakevenshare cost + premium paid

When to use it — and the risks

When: When you are bullish on 1814.T but want a defined downside floor through an event or uncertain period.

Risks: The premium paid is a drag on returns; if 1814.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 1814.T?

A protective put on Daisue Construction 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 1814.T?

Own: 100 shares of 1814.T (real last price ~3620 JPY). Buy: 1 put, illustratively ~5% OTM near the 3439 JPY strike. Strikes shown are illustrative, anchored to 1814.T's real 3620 JPY price as of 2026-07-22 — 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 3439 JPY strike. Breakeven: share cost + premium paid.

When should you use a protective put on 1814.T?

When you are bullish on 1814.T but want a defined downside floor through an event or uncertain period. Risks: The premium paid is a drag on returns; if 1814.T rises the put expires worthless (its cost is the price of the insurance).