Heston-GA Hybrid Option Pricing Model Based on ResNet50

Table 3

Comparison of fitting errors of different models for different ETF options.

Model	Error measure
	MSE (E)	MAPE	MAE
(a) 510300
BSM	2.3158–3	0.3747	0.0308
ResNet50	4.8249–3	1.2926	0.0337
Heston-CIR	1.5582–3	0.3007	0.0278
Non-affine Heston	1.8931–3	0.3264	0.0309
Heston-GA	7.2447–4	0.2831	0.0193
Heston-GA-BP	4.2495–4	0.2788	0.0151
Heston-GA-ResNet50	4.3194–4	0.2724	0.0152
(b) 159919
BSM	9.5349–4	0.3143	0.0210
ResNet50	9.6927–3	0.6950	0.0353
Heston-CIR	5.0487–4	0.2208	0.0155
Non-affine Heston	6.8583–4	0.2905	0.0194
Heston-GA	6.8167–4	0.3614	0.0191
Heston-GA-BP	4.7389–4	0.4480	0.0157
Heston-GA-ResNet50	3.2724–4	0.2303	0.0126
(c) 510050
BSM	5.4316–4	0.3316	0.0151
ResNet50	4.4120–3	0.3065	0.0259
Heston-CIR	4.6814–4	0.3791	0.0158
Non-affine Heston	3.9161–4	0.2740	0.0135
Heston-GA	4.6465–4	0.2303	0.0132
Heston-GA-BP	4.0417–4	0.4231	0.0135
Heston-GA-ResNet50	3.1185–4	0.2387	0.0112