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)1.450.695.071.2210.9127.0862.84-0.57-4.6674.42-9.99-21.3727.75-9.96-11.51109.51-4.82-15.25
24Q2 (19)1.4410.774.351.1027.912.863.20-9.84-4.3982.68-21.9-2.4530.82-35.1760.86115.05-10.41-12.65
24Q1 (18)1.30-2.26-1.520.863.61-13.1370.102.531.85105.87-3.4915.3547.54-1.72131.45128.42-0.99-8.31
23Q4 (17)1.33-3.625.560.83-13.54-13.5468.373.73-5.15109.7015.915.2648.3754.2463.74129.710.39-5.82
23Q3 (16)1.380.08.660.96-10.28-6.865.91-0.29-8.3294.6511.677.5731.3663.67-11.49129.21-1.93.82
23Q2 (15)1.384.555.341.078.08-10.8366.10-3.97-5.1584.76-7.6512.1519.16-6.72-48.08131.71-5.9621.54
23Q1 (14)1.324.763.940.993.13-29.2968.83-4.51-4.1691.78-3.5741.2420.54-30.47-42.32140.061.738.4
22Q4 (13)1.26-0.79-5.970.96-6.8-43.8672.080.266.5295.188.1778.6729.54-16.62-8.26137.7210.6555.19
22Q3 (12)1.27-3.05-15.891.03-14.17-49.0171.893.1619.087.9916.4295.4935.43-3.988.65124.4614.8570.94
22Q2 (11)1.313.15-15.481.20-14.29-45.4569.69-2.9718.6675.5816.3182.5236.903.6237.53108.377.0847.82
22Q1 (10)1.27-5.22-9.931.40-18.13-27.8471.826.1311.0664.9821.9838.3135.6110.5953.96101.2014.0414.32
21Q4 (9)1.34-11.26-10.071.71-15.35-7.5767.6712.0210.6853.2718.358.0532.20-1.2645.6488.7421.880.46
21Q3 (8)1.51-2.58-13.712.02-8.187.4560.412.8616.2445.018.69-7.232.6121.5428.8472.81-0.68-3.13
21Q2 (7)1.559.93-0.642.2013.458.2758.73-9.190.3941.41-11.86-36.7326.8316.0-14.2873.31-17.18-20.87
21Q1 (6)1.41-5.372.171.944.8679.6364.675.77-2.0246.98-4.71-44.4623.134.61-37.9988.520.22-21.86
20Q4 (5)1.49-14.86-6.291.85-1.655.4661.1417.646.6849.301.65-35.522.11-12.64-33.3688.3317.52-12.16
20Q3 (4)1.7512.180.01.8835.250.051.97-11.160.048.50-25.90.025.31-19.140.075.16-18.880.0
20Q2 (3)1.5613.040.01.3928.70.058.50-11.360.065.45-22.630.031.30-16.090.092.65-18.210.0
20Q1 (2)1.38-13.210.01.08-9.240.066.0015.160.084.5910.680.037.3012.420.0113.2812.650.0
19Q4 (1)1.590.00.01.190.00.057.310.00.076.430.00.033.180.00.0100.560.00.0
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)5.360.563.61-26.0268.04-0.73101.1035.1836.1544.72132.9912.37
2022 (9)5.33-10.874.88-34.1468.5412.2374.7951.8924.983.61118.3537.3
2021 (8)5.98-3.247.4122.6861.073.449.24-18.5624.11-17.7786.20-4.42
2020 (7)6.186.746.0458.5359.06-6.2560.46-36.9629.32-33.3290.19-21.53
2019 (6)5.79-10.233.81-9.2963.0011.3995.9110.2943.9711.6114.9410.39
2018 (5)6.450.784.20-21.3556.56-0.8286.9627.1239.4011.58104.1215.52
2017 (4)6.406.495.34-6.1557.03-6.0668.416.6435.312.6290.13-0.35
2016 (3)6.01-0.835.69-1.0460.710.8164.151.0234.411.2190.450.81
2015 (2)6.06-3.965.75-9.4560.224.163.5010.4734.00-4.2389.7212.37
2014 (1)6.311.946.35-0.3157.85-1.9257.480.3835.50-11.9579.845.15

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