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)8.71-32.06-49.8619.07-38.7620.710.4447.0499.244.7763.36-17.192.9510.49-13.7412.2666.861.74
24Q2 (19)12.82-24.9-50.2531.1423.1887.937.1033.21101.132.92-18.89-46.812.67-20.06-18.847.3531.4828.05
24Q1 (18)17.073.02-38.7725.2897.8155.675.33-2.9163.53.60-49.44-35.713.34-23.925.035.59-32.08-1.76
23Q4 (17)16.57-4.61-28.3912.78-19.1115.975.494.7739.697.1223.61-13.84.3928.3611.148.238.58-0.12
23Q3 (16)17.37-32.6-9.6315.80-4.655.475.2448.4410.555.764.92-5.113.423.9525.747.5832.06-6.3
23Q2 (15)25.77-7.57-1.5316.572.034.613.538.281.445.49-1.96-4.363.293.4624.155.740.88-12.63
23Q1 (14)27.8820.48-2.4216.2447.3718.453.26-17.052.195.60-32.2-15.663.18-19.4922.785.69-30.95-21.3
22Q4 (13)23.1420.454.1611.02-26.4425.663.93-17.09-35.158.2636.08-20.423.9545.22-86.738.241.85161.86
22Q3 (12)19.22-26.5633.0114.98-5.4340.134.7436.21-24.766.075.75-28.672.722.64-90.478.0923.14158.92
22Q2 (11)26.17-8.4-12.9115.8415.5412.743.489.0914.855.74-13.55-11.422.652.32-17.76.57-9.134.62
22Q1 (10)28.5790.3419.5413.7156.333.013.19-47.36-16.276.64-36.03-2.922.59-91.3-35.097.23154.288.56
21Q4 (9)15.013.88-41.288.77-17.96-12.826.06-3.8170.2210.3821.9714.729.764.31545.55-13.322.99-266.5
21Q3 (8)14.45-51.91-16.2310.69-23.91-10.326.30107.9219.328.5131.3311.3928.53786.02712.82-13.73-318.63-245.91
21Q2 (7)30.0525.7365.214.055.560.363.03-20.47-39.46.48-5.26-0.313.22-19.35.576.28-5.71-25.68
21Q1 (6)23.90-6.4915.8513.3132.311.293.817.02-13.616.84-24.42-1.163.99-13.4532.566.66-16.75-19.95
20Q4 (5)25.5648.1763.8510.06-15.64.93.56-32.58-38.949.0518.46-4.644.6131.344.38.00-14.98-26.61
20Q3 (4)17.25-5.170.011.92-14.860.05.285.60.07.6417.540.03.5115.080.09.4111.360.0
20Q2 (3)18.19-11.830.014.006.540.05.0013.380.06.50-6.070.03.051.330.08.451.560.0
20Q1 (2)20.6332.240.013.1437.020.04.41-24.360.06.92-27.080.03.01-31.90.08.32-23.670.0
19Q4 (1)15.600.00.09.590.00.05.830.00.09.490.00.04.420.00.010.900.00.0
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)87.35-26.2763.1424.464.1835.715.78-19.723.269.766.70-8.34
2022 (9)118.474.4550.7312.113.08-4.357.20-10.782.97-12.397.31-7.47
2021 (8)113.4216.9545.25-9.73.22-14.368.0710.853.394.637.901.28
2020 (7)96.9827.4250.11-10.613.76-21.677.2811.833.241.257.80-3.82
2019 (6)76.11-4.7356.06-14.414.805.036.5116.883.20-4.488.1119.44
2018 (5)79.89-31.3865.50-13.444.5746.015.5715.563.3516.726.7933.4
2017 (4)116.43-17.3575.67-14.323.1320.854.8216.712.87-50.945.09478.41
2016 (3)140.8713.3388.32-24.082.59-11.94.1331.535.85-25.00.880
2015 (2)124.3058.49116.343.182.94-36.773.14-3.097.80-26.69-1.720
2014 (1)78.4337.36112.7544.894.65-27.233.24-30.9210.64-16.02-2.750

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