This is 기와이기(Giwa-Igi) by Kim Hong-do
GIWA, Korean roof tiles, passed from hand to hand, one by one, until the roof was covered
That’s how we build on @GIWA_by_Upbit
This week: "CallPut Prediction" is live
→ giwa.callput.app
Getting selected for GASOK was just the start
Let’s lay the next GIWA tile together💪
🤫Every testnet action is quietly tracked
CallPut has been selected for Phase 3 of GASOK, @GIWA_by_Upbit’s accelerator program.
As GIWA brings 13M+ @Official_Upbit users onchain, CallPut gives them access to 24/7 onchain options trading on US stocks, ETFs, and crypto.
What’s Next:
① More 24/7 US stock and ETF options
② CallPut Prediction, a simpler and more intuitive way to trade
③ Structured products built with DeFi protocols across the GIWA ecosystem
CallPut and GIWA are bringing trading, hedging, and earning into one onchain financial hub.
Try CallPut on testnet now.
→ giwa.callput.app
Every bit of activity today is quietly being tracked on our end🤫
CallPut has been selected for Phase 3 of GASOK, @GIWA_by_Upbit’s accelerator program.
As GIWA brings 13M+ @Official_Upbit users onchain, CallPut gives them access to 24/7 onchain options trading on US stocks, ETFs, and crypto.
What’s Next:
① More 24/7 US stock and ETF options
CallPut has been selected for Phase 3 of GASOK, @GIWA_by_Upbit’s accelerator program.
As GIWA brings 13M+ @Official_Upbit users onchain, CallPut gives them access to 24/7 onchain options trading on US stocks, ETFs, and crypto.
What’s Next:
① More 24/7 US stock and ETF options
CallPut has been selected for Phase 3 of GASOK, @GIWA_by_Upbit’s accelerator program.
As GIWA brings 13M+ @Official_Upbit users onchain, CallPut gives them access to 24/7 onchain options trading on US stocks, ETFs, and crypto.
What’s Next:
① More 24/7 US stock and ETF options
CallPut has been selected for Phase 3 of GASOK, @GIWA_by_Upbit’s accelerator program.
As GIWA brings 13M+ @Official_Upbit users onchain, CallPut gives them access to 24/7 onchain options trading on US stocks, ETFs, and crypto.
What’s Next:
① More 24/7 US stock and ETF options
First, @Polymarket predicted elections
Then, @Kalshi predicted the weather
The next frontier for prediction markets?
US Stocks & ETFs
Will $TSLA or $NVDA be up or down tomorrow?
🔺 UP
🔻 DOWN
Pick a side.
Get it right. Win.
CallPut Prediction is now live
AI infrastructure needs more memory
Capacity is shifting to HBM and server DRAM, keeping conventional supply tight
$DRAM brings the global memory stack into one ETF - including:
$Samsung $SKhynix $MU $SNDK and more
The cycle is strong
The next move isn’t clear
$DRAM options are now live on @CallPutApp
What if the market being "closed" was never actually about the market?
For years, I thought options were a weekday, 9:30 to 4 kind of game. You wait for the bell, wait for liquidity, and wait for the market to open. It felt like a fundamental rule of trading.
What I hadn't considered was that prices don't stop moving when Wall Street closes. What shuts down is everything around them. Brokers go offline, exchanges close, and the infrastructure that connects people to the market stops running.
"The market is closed" isn't a law of nature. It's just how the system was built.
That line of thinking eventually led me to CallPut, an onchain options exchange that lets users trade synthetic options on stocks and crypto directly from a wallet. You connect a wallet and trade directly from there, without waiting for market hours.
What stood out to me is how it approaches pricing. Instead of relying on a traditional options chain, CallPut builds its own futures index and volatility curve from market data, allowing synthetic options on assets like NVDA, TSLA, AAPL, GOOGL, PLTR, SPY, QQQ, BTC, and ETH to remain tradable 24/7, including weekends and after-hours.
It's worth noting that these aren't broker-listed options contracts. You're not buying shares, receiving dividends, or getting voting rights. You're getting exposure to price movement, not ownership of the underlying asset.
Maybe the most interesting thing here isn't the product itself. It's realizing how many "rules" in markets are just design choices.
If prices move 24/7, why does access to them still operate on banker hours?
If you're into options trading, give @CallPutApp a follow. Worth watching what they're building.
Great report from @BlockScholes on the renaissance of onchain options.
And great to see @CallPutApp included among the new generation of onchain options venues. 🙏
One point especially resonated with us:
Options shouldn’t be limited to crypto.
At CallPut, we’re bringing stock options onchain with markets such as $TSLA, $NVDA, $COIN and $SPCX, and building toward a simple place for anyone to trade equity options onchain.
Perps brought directional trading onchain.
Prediction markets brought probabilities onchain.
We believe stock options are next.
Thanks to the Block Scholes team for covering CallPut and the broader revival of onchain options.
blockscholes.com/research/the-r…
The AI memory story survived
The certainty didn't
After one of the sharpest selloffs in memory stocks,
$SNDK has become a volatility trade
When direction is uncertain, options become the best way to express a view
$SNDK options are now live on @CallPutApp
[7/7] $SPCX key dates this week
• Today (Aug 4): Q2 earnings report
• Tomorrow (Aug 5): market's first reaction
• Aug 6: first lockup tranche (~$123B)
• Aug 21: second tranche (7%)
• Sep 10: third tranche (7%)
Direction is hard to call
Volatility is the setup
Trade $SPCX options, 24/7 onchain.
callput.app
[6/7] What if you don't know which direction?
You can buy a call and a put at the same time
Call option: pays off if the stock goes up
Put option: pays off if the stock goes down
Together, the structure looks like this:
$SPCX moves sharply higher → call profits
put loses only the premium
$SPCX moves sharply lower → put profits
call loses only the premium
If the move is big enough in either direction,
one side's gain exceeds the other side's loss
But there's something you need to know
When a big event passes,
premiums drop sharply
This is called IV crush
Even if you get the direction right,
falling premiums can limit your profit
or turn it into a loss
That's why this isn't always the right play
when premiums are already elevated
heading into an event
The point isn't to find a guaranteed strategy
The point is this:
options let you define your risk before the event starts
Whatever happens on August 6,
your maximum loss is known in advance
schwab.com/learn/story/st…
[1/7] This week matters for $SPCX
Q2 earnings today
$123B lockup unlock in two days
Two major events. Two trading days apart.
Here's the lockup schedule, what history says,
and how to think about positioning👇
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