I just learned in detail about options and want to share because it's really interesting.

What is an option? Simply put, it's a contract that gives you the right to buy or sell an asset (Bitcoin, stocks, indices...) at a predetermined price, but you are not obliged to do so.
Unlike futures, where execution is mandatory, options are at your discretion.

The beauty of options is that you can profit even when the market declines.
With a call option, you bet that the price will go up.
With a put option, you bet that the price will go down.
Each type has three states: in the money (ITM - profitable), at the money (ATM - break-even), out of the money (OTM - loss).

An important detail: you must pay a premium to open the contract.
If you choose not to exercise the right, this fee will be lost.
But the good thing is that the buyer's risk is limited to that premium — they can never lose more than that.

I see two most practical strategies for 2026:

First is Protective Put — portfolio insurance.
For example, if you hold bank stocks worth 2 billion VND but fear that rising interest rates might cause the market to adjust, you can allocate 2% (40 million VND) to buy a VN30 index put option.
If the market crashes 15%, your portfolio loses 300 million VND, but the put option gains 400-500 million thanks to leverage.
You not only avoid losses but also gain extra capital to buy the dip.
If the market continues to rise, you only lose the 40 million premium — an acceptable cost for peace of mind.

Second is Covered Call — "rent out" your stocks.
You hold 10,000 HPG shares and sell a call option at a price 10% higher than the current market.
You immediately receive the premium fee.
If HPG doesn’t rise more than 10%, you keep the entire fee as an extra dividend.
This is how investors optimize profits when the market moves sideways.

Compared to warrants (CW) and futures, what makes options more flexible?
Because the seller can be any investor, not just a securities company, and the rights are two-way (buy/sell), with hundreds of different strategies.
Futures require mandatory buying/selling, while warrants usually only give the right to buy.

In Vietnam, currently only VN30 futures are officially traded.
If you want to trade options, you need to find international platforms managed by reputable financial organizations.

A piece of advice: don’t rush.
Start small, focus on one asset you understand well, and always have a clear strategy before entering.
Options are powerful tools but also complex, so learn thoroughly before executing.
If you're not ready, try a demo account with virtual funds — the best way to understand how it works without risking real money.