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                        "ask": 3.0,
                        "ask size": 7,
                        "last": 3.1
                    },
                    "contract size": 100,
                    "open interest": 273
                },
                {
                    "strike": 16.0,
                    "description": "ETHA Dec 19 2025 $16.00 Call",
                    "prices": {
                        "bid": 2.4,
                        "bid size": 10,
                        "ask": 2.75,
                        "ask size": 6,
                        "last": 2.6
                    },
                    "contract size": 100,
                    "open interest": 89
                },
                {
                    "strike": 17.0,
                    "description": "ETHA Dec 19 2025 $17.00 Call",
                    "prices": {
                        "bid": 2.1,
                        "bid size": 7,
                        "ask": 2.5,
                        "ask size": 6,
                        "last": 2.37
                    },
                    "contract size": 100,
                    "open interest": 25
                },
                {
                    "strike": 18.0,
                    "description": "ETHA Dec 19 2025 $18.00 Call",
                    "prices": {
                        "bid": 1.8,
                        "bid size": 12,
                        "ask": 2.1,
                        "ask size": 1,
                        "last": 2.18
                    },
                    "contract size": 100,
                    "open interest": 21
                },
                {
                    "strike": 19.0,
                    "description": "ETHA Dec 19 2025 $19.00 Call",
                    "prices": {
                        "bid": 1.6,
                        "bid size": 30,
                        "ask": 2.05,
                        "ask size": 6,
                        "last": 1.65
                    },
                    "contract size": 100,
                    "open interest": 34
                },
                {
                    "strike": 20.0,
                    "description": "ETHA Dec 19 2025 $20.00 Call",
                    "prices": {
                        "bid": 1.7,
                        "bid size": 6,
                        "ask": 1.8,
                        "ask size": 7,
                        "last": 1.75
                    },
                    "contract size": 100,
                    "open interest": 391
                },
                {
                    "strike": 21.0,
                    "description": "ETHA Dec 19 2025 $21.00 Call",
                    "prices": {
                        "bid": 1.4,
                        "bid size": 1813,
                        "ask": 1.75,
                        "ask size": 6,
                        "last": 1.53
                    },
                    "contract size": 100,
                    "open interest": 175
                },
                {
                    "strike": 22.0,
                    "description": "ETHA Dec 19 2025 $22.00 Call",
                    "prices": {
                        "bid": 1.3,
                        "bid size": 653,
                        "ask": 1.55,
                        "ask size": 6,
                        "last": 1.43
                    },
                    "contract size": 100,
                    "open interest": 228
                },
                {
                    "strike": 23.0,
                    "description": "ETHA Dec 19 2025 $23.00 Call",
                    "prices": {
                        "bid": 1.3,
                        "bid size": 100,
                        "ask": 1.45,
                        "ask size": 666,
                        "last": 1.35
                    },
                    "contract size": 100,
                    "open interest": 113
                },
                {
                    "strike": 24.0,
                    "description": "ETHA Dec 19 2025 $24.00 Call",
                    "prices": {
                        "bid": 1.05,
                        "bid size": 47,
                        "ask": 1.35,
                        "ask size": 8,
                        "last": 1.16
                    },
                    "contract size": 100,
                    "open interest": 109
                },
                {
                    "strike": 25.0,
                    "description": "ETHA Dec 19 2025 $25.00 Call",
                    "prices": {
                        "bid": 1.0,
                        "bid size": 208,
                        "ask": 1.5,
                        "ask size": 1232,
                        "last": 1.1
                    },
                    "contract size": 100,
                    "open interest": 0
                }
            ]
        }
    }
]