玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q3 (20)0.8110.9620.91.4526.0981.25113.04-9.27-16.4262.95-20.68-44.7994.78-6.59-32.1981.22-20.75-25.82
24Q2 (19)0.737.35-5.191.1532.1841.98124.59-6.224.8479.36-24.11-29.22101.47-20.65-20.69102.49-6.44-0.52
24Q1 (18)0.681.49-4.230.87-9.3719.18132.85-2.293.18104.5710.31-16.1127.8713.134.13109.54-6.96-16.13
23Q4 (17)0.670.013.560.9620.035.21135.970.54-11.7494.80-16.86-26.49113.03-19.13-28.35117.747.53-6.0
23Q3 (16)0.67-12.99-4.290.80-1.23-19.19135.2413.84.16114.021.6923.48139.779.250.33109.496.2732.12
23Q2 (15)0.778.4522.220.8110.96-13.83118.84-7.7-17.66112.12-10.0416.31127.944.19-16.69103.03-21.1118.21
23Q1 (14)0.7120.344.410.732.82-34.23128.76-16.42-3.28124.64-3.3651.39122.80-22.16-4.19130.604.2649.63
22Q4 (13)0.59-15.71-22.370.71-28.28-36.04154.0518.6528.73128.9739.6756.61157.7613.2448.15125.2651.1531.12
22Q3 (12)0.7011.110.00.995.3225.32129.84-10.04-0.4392.34-4.21-19.42139.31-9.29-0.5482.87-4.92-21.02
22Q2 (11)0.63-7.35-23.170.94-15.325.62144.338.4230.6996.4017.09-5.56153.5719.8216.787.16-0.147.71
22Q1 (10)0.68-10.536.251.110.040.51133.1211.24-5.7982.33-0.02-28.2128.1720.36-18.6387.28-8.64-11.35
21Q4 (9)0.768.577.041.1140.518.82119.67-8.23-6.082.35-28.14-7.91106.49-23.97-21.4495.53-8.9517.68
21Q3 (8)0.70-14.637.690.79-11.24-21.78130.4018.07-6.55114.5912.2727.04140.076.44-2.04104.9229.6620.93
21Q2 (7)0.8228.12-1.20.8912.66-29.92110.44-21.840.49102.07-10.9942.52131.59-16.4625.4280.92-17.815.64
21Q1 (6)0.64-9.866.670.79-22.55-10.23141.3010.99-7.3114.6728.2410.47157.5216.2111.9998.4521.27-14.81
20Q4 (5)0.719.237.581.020.990.99127.31-8.76-8.2289.42-0.86-0.51135.55-5.213.181.18-6.43-25.34
20Q3 (4)0.65-21.690.01.01-20.470.0139.5426.970.090.2025.940.0142.9936.280.086.7613.260.0
20Q2 (3)0.8338.330.01.2744.320.0109.90-27.90.071.62-31.00.0104.92-25.40.076.60-33.710.0
20Q1 (2)0.60-9.090.00.88-12.870.0152.429.880.0103.8015.490.0140.6517.360.0115.566.270.0
19Q4 (1)0.660.00.01.010.00.0138.710.00.089.880.00.0119.850.00.0108.740.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2023 (10)2.981.023.49-10.05122.31-1.07104.7311.33111.59-1.89115.4511.05
2022 (9)2.954.613.88-8.49123.63-4.4194.079.22113.74-9.11103.9615.1
2021 (8)2.822.554.2413.07129.33-2.5886.13-11.48125.14-9.2890.32-1.95
2020 (7)2.757.843.751.9132.76-7.2597.30-1.98137.945.3792.12-17.38
2019 (6)2.55-15.563.68-9.8143.1418.4999.2710.87130.9114.11111.5016.61
2018 (5)3.0212.274.0819.3120.80-11.0889.54-16.04114.72-20.7495.62-2.22
2017 (4)2.69-28.463.42-34.73135.8639.93106.6553.12144.7350.1397.7939.04
2016 (3)3.76-7.165.24-17.6197.097.6569.6521.496.4031.2170.33-5.07
2015 (2)4.053.856.36-5.3690.19-3.5857.375.6173.475.9774.09-5.67
2014 (1)3.905.416.7211.4493.54-5.1754.32-10.369.33-5.1878.54-8.76

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