
Arthur Hayes backed Hypercall as a Deribit challenger after a wallet linked to him acquired $2.2M in $SYN before publicly endorsing it on X.
Author: Akshat Thakur
29th June 2026 – Arthur Hayes has publicly backed Hypercall, an on-chain options exchange built on Hyperliquid, calling it a credible challenger to Deribit. He posted the endorsement on X at 00:26 GMT, and crypto traders reacted within minutes.
High Signal Summary For A Quick Glance
Brian Crocker
@briandcrocker
@CryptoHayes Shitcoin casino is calling, and the Hayes always wins and you always lose.
I still want to be long the Hyperliquid ecosystem but I need some asymmetry. It’s time for an options dex to properly take on Deribit. Hypercall, owned by $SYN, is that challenger. Let’s see if they can cook. https://t.co/v6crnHjS4G
03:40 AM·Jun 29, 2026
Airos
@Airos_x
@CryptoHayes He really working for his bag here 👀
I still want to be long the Hyperliquid ecosystem but I need some asymmetry. It’s time for an options dex to properly take on Deribit. Hypercall, owned by $SYN, is that challenger. Let’s see if they can cook. https://t.co/v6crnHjS4G
03:10 AM·Jun 29, 2026
youpi.near 🐉
@urclavicle
@CryptoHayes He's shilling again. Says it'll pump to $150 and dump on you at $60 HAHAHAHAHA Rinse. And. Repeat.
I still want to be long the Hyperliquid ecosystem but I need some asymmetry. It’s time for an options dex to properly take on Deribit. Hypercall, owned by $SYN, is that challenger. Let’s see if they can cook. https://t.co/v6crnHjS4G
01:48 AM·Jun 29, 2026
Steady attention without excessive speculation.
The timing quickly became the story. According to on-chain analysts, a wallet linked to Hayes bought roughly 6.16 million $SYN from market maker Flowdesk hours before the post. As a result, the Arthur Hayes Hypercall endorsement now sits under a familiar cloud of conflict-of-interest questions.
Hayes laid out his reasoning in a single post. He wrote that he still wants to be long the Hyperliquid ecosystem, but that he needs more asymmetry to justify the bet.
Then he named his pick directly. “It’s time for an options dex to properly take on Deribit. Hypercall, owned by $SYN, is that challenger. Let’s see if they can cook,” he posted on X.
The framing matters because Hayes carries weight in crypto trading circles. So when he names a specific token and venue, attention and volume tend to follow fast.
The endorsement did not arrive in isolation. On-chain analysts at Lookonchain flagged a wallet, labeled by Arkham as Hayes-linked, that received about 6.16 million $SYN from Flowdesk.
The buy was worth roughly $2.2 million, which implies a price near $0.357 per token. It landed around 21 to 22 hours before the post, according to the same analysts.
Flowdesk is a market maker, and large blocks like this often move over the counter to limit slippage. After the OTC-style acquisition, the tokens then moved on-chain, where analysts traced them.
Importantly, the exact transaction hash and wallet labels rest on analyst attribution rather than a public confirmation. Hayes, Flowdesk, and the Synapse team have not commented so far.
Hypercall is an on-chain options DEX built by the Synapse team on HyperEVM, the Hyperliquid execution layer. Its mainnet alpha is already live at app.hypercall.xyz.
The venue settles options directly through smart contracts, so trades stay non-custodial. Users post collateral such as USDC, then trade calls and puts with defined risk or fractional exposure.
It also leans into real-world assets. Alongside crypto options, Hypercall lists contracts on SpaceX, the S&P 500, and oil, according to project docs.
Deribit, by contrast, is the dominant centralized options venue. It runs an off-chain order book and usually requires accounts and identity checks. Hypercall instead offers wallet-connect access and on-chain settlement, though its liquidity is still thin in alpha.
Hayes asked for asymmetry, and that word does heavy lifting here. Options pay out in a non-linear way, so a buyer risks only the premium while keeping large upside.
Spot and perpetual futures move in a straight line with the market. Options instead let a trader make a leveraged bet on direction or volatility without committing full capital.
That is the appeal Hayes described. Because Hyperliquid already draws active traders, an on-chain options layer could extend those asymmetric bets across the ecosystem.
The token was already running hot before the post. $SYN hit an all-time low near $0.027 on June 11, then surged more than 10 times by late June, according to CoinGecko data.
After the endorsement, $SYN traded near $0.4206, up about 35.5% on the day at the time of writing. Its market cap sat around $93 million, with fully diluted value near $106 million.
Trading volume also spiked to roughly $110 million over 24 hours. Most of that flow ran through centralized pairs such as Binance, while DEX liquidity stayed secondary.
$SYN is not a fresh token, though. It is the governance asset of Synapse Protocol, the former cross-chain bridge whose team pivoted toward Hypercall.
Not everyone cheered the call. On X, many traders framed the sequence as buy first, then promote, and pointed to the on-chain timing as evidence.
Critics also cited Hayes’ track record. Through his Maelstrom family office, he has endorsed tokens and ecosystems he holds before, and skeptics recall earlier HYPE calls followed by exits.
Still, supporters argue the buy simply shows conviction. They note the ecosystem narrative and the chart strength, since $SYN had already 10x’d before Hayes weighed in.
For now, the nature of the Flowdesk transfer remains unclear. It could be plain accumulation, a market-making allocation, an OTC settlement, or something else, and no disclosure has confirmed which.
Timeline of Hypercall, $SYN, and Arthur Hayes Activity
Hypercall launches its Mainnet Alpha on HyperEVM and Hyperliquid. The platform initially enables users to trade options products, beginning with SpaceX (SPCX), through app.hypercall.xyz using deposited USDC.
$SYN falls to an all-time low near $0.027 before beginning a strong recovery rally that attracts renewed market interest throughout June.
Flowdesk transfers or facilitates the purchase of approximately 6.164 million $SYN tokens, valued at roughly $2.2 million, to a wallet publicly labeled as linked to Arthur Hayes. The transaction is later surfaced by on-chain analysts including Lookonchain.
Arthur Hayes posts on X that he remains bullish on the Hyperliquid ecosystem and describes Hypercall as a potential challenger to Deribit, publicly endorsing both Hypercall and the broader ecosystem.
Hours after Hayes’ endorsement, $SYN experiences a strong market reaction. The token records gains of roughly 35% over 24 hours alongside significantly elevated trading volume and social attention.
Neither Arthur Hayes, Maelstrom, Flowdesk, nor the Synapse or Hypercall teams have publicly clarified the nature of the $SYN transfer or disclosed any formal relationship connected to the transaction.
The next signal will come from product traction, not posts. Watch whether Hypercall’s options volume and open interest grow now that a high-profile name has pointed traders toward it.
Watch the wallet too. If the Hayes-linked address starts selling into strength, the buy-then-promote critique will gain weight, so on-chain trackers will stay focused on it.
Major outlets had not covered the story at the time of writing, so the picture still leans on primary posts and on-chain data. This article is not financial advice, and $SYN remains a volatile, early-stage bet.
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