The people I know who hold BTC and ETH through everything have all had the same moment. Some macro thing is looming, or the chart is stretched, and they do not want to sell because selling means a tax event and it means being wrong twice if it rips. So they sit there fully exposed, telling themselves they are long-term holders, which is true right up until a forty percent drawdown makes them stop being one. A collar is the tool for exactly that person. It lets you keep the coins, keep the long-term thesis, and put a hard floor under the position for a chosen window without paying a fortune for the privilege.
A collar is two trades stacked on one holding. You buy a put below the current price, which is the floor, and you sell a call above it, which is the ceiling. The put is insurance you pay for. The call is insurance you sell to someone else, and the premium you collect on the call pays for the put you bought. When the two premiums roughly cancel, people call it a zero-cost collar, though I would rather you think of the real cost as the upside you gave away above the call strike, because that is what it actually costs you.
Picking the strikes and the expiry
Start with the window, not the strikes. A collar protects a specific stretch of time and then it expires. So ask what you are actually worried about. An event you can name, like a policy decision or an unlock, sets a natural expiry a little past the event. If it is just general nerves about a hot market, a quarter is a reasonable default. Longer expiries cost more in absolute terms but less per day, and they lock you into the ceiling for longer, which is the part people underestimate.
For the put, the floor strike is a risk-tolerance question dressed up as a math question. A put roughly ten to fifteen percent below spot means you are self-insuring the first chunk of any drop and only offloading the deep tail. That is cheap. A put right at the money offloads almost everything and costs a lot. Most holders I talk to land somewhere around ten percent out, because eating a ten percent dip on a long-term stack is annoying but survivable, and paying up to insure that first ten percent is where hedges get expensive fast.
The call strike is then chosen to pay for the put. You look at how much premium your chosen put costs, and you find the call strike above spot whose premium roughly matches it. If your put is ten percent down and calls are richly priced because everyone is euphoric, you might get your financing from a call thirty percent up, which is a comfortable ceiling. If volatility is low and calls are cheap, financing the same put might force the call strike uncomfortably close to spot, maybe fifteen percent up, and now you have capped your upside hard. That trade-off is the collar telling you the truth about what the market charges to insure this window.
Pricing it as a percentage of the stack
The number that matters is the net premium as a percentage of the coin value you are hedging, not the dollar figure, because the dollar figure scales with your stack and tells you nothing about whether the hedge is fair. Take the put premium, subtract the call premium you collect, and divide by the spot value of the coins under the collar. A well-built collar in normal conditions often nets out between zero and a couple percent of stack value for a quarter of protection. If you are choosing a symmetric collar where both strikes sit the same distance from spot, it frequently comes close to free in net premium, and you are paying entirely in surrendered upside.
A quick way to sanity-check any quote before you place it:
- Put strike as a percent below spot, and the premium that put costs as a percent of stack.
- Call strike as a percent above spot, and the premium you collect, as a percent of stack.
- Net of the two. If it is meaningfully negative, someone is paying you to cap your upside, which usually means implied vol is high and calls are expensive, which is often a fine time to put a collar on.
- The width between your floor and your ceiling. That band is the range you are choosing to live inside for the whole window.
One thing that trips people up on crypto options specifically. A lot of the liquid contracts are cash-settled and priced in the coin itself, so your payoff and your collateral move with the very thing you are hedging. Read whether the venue settles in coin or in stablecoin, because it changes what your floor is actually worth in dollars when you need it.
Collar versus a perp short
The honest competitor to a collar is just shorting a perpetual future against your spot. Short enough perp to offset your holding and your net exposure goes flat. It is simpler, the liquidity is deeper, and there are no strikes to pick. So why bother with options at all.
The difference is the shape of the protection and where the cost shows up. A perp short is linear. It hedges every dollar down and it also gives back every dollar up, so you have neutralized the position completely, upside included, for as long as the short is on. A collar is not linear. Below your floor you are protected, above your ceiling you are capped, and in the wide band between the two strikes you still participate. You keep the ordinary chop and the normal grind higher, and you only surrender the big move up. For someone who wants to stay long and just clip off the tail, that middle band is the entire point.
Then there is how you pay. A perp short bleeds or earns funding continuously, and funding is the honest killer here. In a market where everyone is long, funding on a short can actually pay you to hold the hedge. In a market where everyone is short, you pay funding every few hours to keep it on, and over a quarter that drip adds up to real money and it is unpredictable day to day. The collar pays its cost once, upfront and known, in premium and surrendered upside. You are trading an unknown running cost for a fixed one.
Path risk is the other split. A perp short carries liquidation risk. If the market spikes up hard against your short before it comes back down, you can get liquidated at the worst moment and be left unhedged into the reversal, even though your spot went up. A collar has no liquidation and no margin call on the long side, because the put is a right you already paid for, not a position that can be forced closed. That single fact is why I lean toward collars for a holder who is going to set it and mostly ignore it, and toward a perp short only for someone actively watching funding and margin every day.
Putting one on without fumbling it
Size the collar to the exact coin quantity you want floored, which is often not your whole stack. Hedging the portion you cannot afford to see cut in half, and leaving the rest naked to run, is usually saner than collaring everything and resenting the ceiling when it rips. Place the put and the call as close to together in time as you can so you are not legging in at two different vol levels and paying up on one side. And write down the day it expires, because an expired collar is just a naked stack again, and the whole thing quietly stops protecting you on a date you will have forgotten by then.
The realistic failure mode is not the collar losing money. It is the market grinding up past your ceiling, you watching coins you own rally while your gains are capped, and you tearing the hedge off in frustration right before the drop you built it for. If you cannot stomach capping the upside, you did not want a collar, you wanted to be long, and that is a fine thing to want as long as you are honest that you are choosing to carry the full downside with it.